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(science) the smallest part of a chemical element that is found in the nature
原子, 基本粒子
a living thing such as a plant, animal, etc., especially a very small one that lives on its own
生物, 有机体
made by a process that involves chemistry
化学的
the state of a substance that is neither solid nor liquid
气体
the state of a substance that is without shape and can flow easily
液体, 流体
a substance that is firm and has a certain shape, not like gas or liquid
固体, 固态物质
a substance from which things can be made
材料, 物质
a particular kind of matter in gas, solid, or liquid form
物质, 材料
relating to, produced by, or using electricity
电的
having actual existence and not imaginary
真实的, 真正的
done according to a planned and orderly system
系统的, 有条理的
a usually solid and hard substance that heat and electricity can move through, such as gold, iron, etc.
金属
a light substance produced in a chemical process that can be formed into different shapes when heated
塑料
a metallic chemical element with a silvery-gray appearance, widely used for making tools, steel, buildings, and various industrial products
铁, 金属
a valuable yellow-colored metal that is used for making jewelry
黄金
a shiny grayish-white metal of high value that heat and electricity can move through it and is used in jewelry making, electronics, etc.
银, 银色金属
a nonmetal element that can be found in all organic compounds and living things
碳, 炭
a chemical element in gas form with no color that living things need for breathing
氧气, O₂
a hard material, usually made of minerals, and often used for building things
石头
to study a subject carefully and systematically to discover new facts or information about it
研究, 调查
a specific way or process of doing something, particularly an established or systematic one
方法, 方式
a sample, showing what the rest of the data is typically like
例子, 样本
to make or design something that did not exist before
发明, 创造
someone who makes or designs something that did not exist before
发明家, 创造者
to be the first person who finds something or someplace that others did not know about
发现, 探索
the act of finding something for the first time and before others
发现, 发觉
something such as a hammer, saw, etc. that is held in the hand and used for a specific job
工具
something that is known to be true or real, especially when it can be proved
事实, 现实
something that explains an action or event
原因, 理由
the application of scientific knowledge for practical purposes, especially in industry
技术, 科技
information or facts collected to be used for various purposes
数据, 信息
the act of directing your attention and energy toward a particular thing or task
专注, 注意力
the part of a vehicle that uses a particular fuel to make the vehicle move
发动机, 引擎
anything that we can hear
声音, 噪音
a place where people do scientific experiments, manufacture drugs, etc.
实验室, 实验室
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