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托福必备词汇 - 生物学、物理学和化学

在这里,你将学习一些关于生物学、物理学和化学的英语单词,如“生物”、“物质”、“元素”等,这些是托福考试所需要的。

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Essential Words Needed for TOEFL
biology
[名词]

the scientific study of living organisms; the science that studies living organisms

生物学, 生命科学

生物学, 生命科学

Ex: Understanding biology is crucial for addressing environmental and health-related challenges .理解**生物学**对于解决环境和健康相关的挑战至关重要。
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reproduction
[名词]

the sexual or asexual process of creating offspring

繁殖

繁殖

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metabolism
[名词]

the chemical processes through which food is changed into energy for the body to use

新陈代谢, 代谢作用

新陈代谢, 代谢作用

Ex: Metabolism slows down with age, leading to changes in energy levels and body composition.**新陈代谢**随着年龄的增长而减慢,导致能量水平和身体成分的变化。
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organism
[名词]

a living thing such as a plant, animal, etc., especially a very small one that lives on its own

生物, 有机体

生物, 有机体

Ex: A single-celled organism, such as an amoeba , can exhibit complex behaviors .单细胞**生物**,如阿米巴原虫,可以表现出复杂的行为。
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life cycle
[名词]

all the different stages of grow and development of a living organism

生命周期, 生物周期

生命周期, 生物周期

Ex: The life cycle of mammals begins with birth and ends with death .哺乳动物的**生命周期**从出生开始,到死亡结束。
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molecule
[名词]

the smallest structure of a substance consisting of a group of atoms

分子

分子

Ex: Chemical reactions often involve the breaking and forming of molecules.化学反应通常涉及**分子**的断裂和形成。
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molecular
[形容词]

consisting of or relating to molecules, which are groups of atoms bonded together

分子的, 与分子有关的

分子的, 与分子有关的

Ex: The study of molecular biology focuses on the structure and function of biological molecules.**分子**生物学的研究集中于生物分子的结构和功能。
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matter
[名词]

a physical substance that occupies space and exists in every material in the universe

物质, 材料

物质, 材料

Ex: The study of matter is fundamental to fields like physics and chemistry .对**物质**的研究是物理学和化学等领域的基础。
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chemistry
[名词]

the branch of science that is concerned with studying the structure of substances and the way that they change or combine with each other

化学, 物质科学

化学, 物质科学

Ex: His passion for chemistry led him to pursue a degree in chemical engineering .他对**化学**的热情促使他攻读化学工程学位。
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element
[名词]

a substance that is composed of only one type of atom, typically characterized by specific physical and chemical properties

元素, 成分

元素, 成分

Ex: Carbon is a versatile element found in all living organisms and many non-living materials .碳是一种多功能的**元素**,存在于所有生物体和许多非生物材料中。
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evolution
[名词]

(biology) the slow and gradual development of living things throughout the history of the earth

进化

进化

Ex: Evolution has led to the incredible diversity of plants and animals we see on Earth today.**进化**导致了我们今天在地球上看到的植物和动物的惊人多样性。
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property
[名词]

a feature or quality of something

属性, 特性

属性, 特性

Ex: Elasticity is a material property that measures its ability to return to its original shape after being deformed .**弹性**是衡量材料在变形后恢复其原始形状能力的**特性**。
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a process in green plants during which the plant synthesizes using water and carbon dioxide

光合作用

光合作用

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DNA
[名词]

(biochemistry) a chemical substance that carries the genetic information, which is present in every cell and some viruses

DNA, 脱氧核糖核酸

DNA, 脱氧核糖核酸

Ex: DNA contains the instructions for building proteins in the body .**DNA**包含在体内构建蛋白质的指令。
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gene
[名词]

(genetics) a basic unit of heredity and a sequence of nucleotides in DNA that is located on a chromosome in a cell and controls a particular quality

基因, 遗传单位

基因, 遗传单位

Ex: The study revealed that some genes could influence intelligence .研究显示,一些**基因**可能影响智力。
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to react
[动词]

(physics) to be subject to physical or chemical change

反应, 相互作用

反应, 相互作用

Ex: Baking soda and vinegar react when mixed, producing carbon dioxide gas, which causes the fizzing reaction.小苏打和醋混合时会**反应**,产生二氧化碳气体,从而引起嘶嘶反应。
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fiber
[名词]

any strand of muscle or nervous tissues

纤维, 肌纤维

纤维, 肌纤维

Ex: Damage to the optic nerve fibers can result in vision loss or impairment .视神经**纤维**的损伤可能导致视力丧失或损害。
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particle
[名词]

(physics) any of the smallest units that energy or matter consists of, such as electrons, atoms, molecules, etc.

粒子

粒子

Ex: Scientists study the movement and interactions of particles to understand the fundamental forces of nature .科学家研究**粒子**的运动和相互作用以理解自然界的基本力。
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compound
[名词]

(chemistry) a substance that its molecules consist of two or more elements that are held together by a chemical bond

化合物, 混合物

化合物, 混合物

Ex: Many compounds are essential for life , like carbohydrates and proteins .许多**化合物**对生命至关重要,如碳水化合物和蛋白质。
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bond
[名词]

a link that holds atoms or ions together in any molecule or crystal

键, 联系

键, 联系

Ex: Hydrogen bonds play a crucial role in the structure of DNA, contributing to its stability and the specificity of base pairing.氢**键**在DNA的结构中起着至关重要的作用,有助于其稳定性和碱基配对的特异性。
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atomic
[形容词]

related to atoms, the smallest units of matter, including their structure, properties, and interactions

原子的

原子的

Ex: Atomic mass represents the average mass of an atom, taking into account its isotopes.**原子**质量代表了一个原子的平均质量,考虑到了它的同位素。
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nerve
[名词]

each of a group of long thread-like structures in the body that carry messages between the brain and other parts of the body, sensing things is a result of this process

神经, 神经纤维

神经, 神经纤维

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parasite
[名词]

(biology) a small organism that lives on or inside another organism, called a host, and is dependent on it for nutrition and growth

寄生虫, 寄生生物

寄生虫, 寄生生物

Ex: The relationship between the host and the parasite is often detrimental to the host , as the parasite exploits its resources for survival and reproduction .宿主和**寄生虫**之间的关系通常对宿主有害,因为寄生虫为了生存和繁殖而利用其资源。
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instinct
[名词]

a natural reaction or behavior that occurs automatically, without conscious thought or reasoning

本能, 冲动

本能, 冲动

Ex: The swimmer 's instinct to hold her breath underwater helped her win the race .游泳者在水下屏住呼吸的**本能**帮助她赢得了比赛。
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acid
[名词]

a water-soluble chemical substance that contains Hydrogen and has a sour taste or corrosive feature with a PH less than 7

酸, 酸性物质

酸, 酸性物质

Ex: When dissolved in water, carbonic acid forms from carbon dioxide, contributing to the acidity of rainwater.当溶于水时,二氧化碳形成**酸**,增加了雨水的酸度。
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electron
[名词]

a small particle in an atom with negative charge

电子, 带负电的原子内小粒子

电子, 带负电的原子内小粒子

Ex: MRI machines track the spin of electrons to create detailed body images .MRI机器追踪**电子**的自旋以创建详细的体内图像。
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vapor
[名词]

extremely small drops of liquid in the air, resulted from the heating of the liquid

蒸汽,  雾

蒸汽, 雾

Ex: The vapor from the humidifier helped alleviate the dryness in the room during the winter months .加湿器的**蒸汽**有助于在冬季缓解房间的干燥。
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glucose
[名词]

a basic kind of sugar that is a component of carbohydrates and provides energy for many living organisms

葡萄糖

葡萄糖

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carbon
[名词]

a nonmetal element that can be found in all organic compounds and living things

碳, 炭

碳, 炭

Ex: Activated carbon is widely used in filtration systems to remove impurities.活性**碳**被广泛用于过滤系统中以去除杂质。
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calcium
[名词]

a soft silver-white metal that is an important element in bones and teeth

钙

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nitrogen
[名词]

one the most common elements in Earth's atmosphere

氮

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to dissolve
[动词]

(of a solid) to become one with a liquid

溶解, 融化

溶解, 融化

Ex: The detergent will dissolve in the washing machine , cleaning the clothes .洗涤剂将在洗衣机中**溶解**,清洁衣服。
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