剑桥雅思19 - 学术类 - 测试2 - 听力 - 第4部分 (1)

in a direction away from the center or inside

to make something visible

a part of a living organism that is made up of cells and is designed to perform a specific function

a thin, needle-like structure used by some animals or plants to pierce or penetrate surfaces, typically for feeding or extracting fluids

an organism's smallest unit, capable of functioning on its own

the place or area in which certain animals, birds, or plants naturally exist, lives, and grows

in most cases; as a standard or norm

the bottom surface of a body of water, such as a sea, lake, etc.

having the required quality or ability for doing something

to continue to live or exist specifically after experiencing a particular severe event or accident

energy transmitted through space or matter in the form of waves or particles

(physics) the amount of force exerted per area that is measured in pascal, newton per square meter, etc.

to resist or endure the force, pressure, or challenges imposed upon oneself

species that do not possess or cannot develop a spinal column, such as an arthropod, mollusk, etc.

a tiny, soft-bodied animal with eight legs that can survive in extreme conditions

too small to be seen with the naked eye

a group that animals, plants, etc. of the same type which are capable of producing healthy offspring with each other are divided into

to be a member or part of a particular group or organization

(biology) a taxonomic category between a class and a kingdom

to have or include a variety of what is mentioned

(of an animal, child, or plant) to grow with strength, health, or energy

to carefully look at something

to create a new word, phrase, or expression

to hold common feelings, ideas, sentiments, etc. with someone else

a distinguishing quality or characteristic, especially one that forms part of someone's personality or identity

having a smooth and curved shape, lacking sharp angles or corners

a round, hollow container with flat ends and curved sides, usually made of wood or metal, used to hold liquids

to be made up of various components or parts within a whole

one of the parts that make up the insects' body and are repeated, like the head, thorax, and abdomen, and each one usually has a pair of legs and other structures

a sharp and curved nail on the toe of an animal or a bird

a rounded cartilage between the spinal bones

by using or with the help of something

the act of pulling something in by using air, water, or another force to create a space with lower pressure

to give someone or something the means or ability to do something

to grip or hold onto something tightly, making it difficult to separate or detach

to firmly hold something

an animal that is hunted and eaten by another animal

each of the two organs in the chest that helps one breathe

any vital part of the body which has a particular function

the action of taking air into the lungs and sending it out again

to the smallest amount or degree

a substance that flows easily and takes the shape of its container, including both liquids and gases

a natural empty space or hollow area inside the body

used to refer to the specific matter or topic being discussed or considered

to a somewhat notable, considerable, or surprising degree

(of something sharp) to make a hole or break in or through something

used to indicate that the speaker or writer is providing an exact or accurate version of something, often to clarify, specify, or emphasize a particular point

a very tiny, soft-bodied animal with eight short legs that lives in wet places like moss and can survive in extremely hard conditions

something that has been crushed or flattened

without going into specific details or rare cases