剑桥雅思19 - 学术类 - 测试4 - 阅读 - 段落2 (4)

to be understandable in a way that is reasonable

not drawn upon or used

using natural resources in a way that causes no harm to the environment

to use up or diminish the quantity or supply of a resource, material, or substance

someone who evaluates and provides opinions or judgments about various forms of art, literature, performances, or other creative works

originating in another country, particularly a tropical one

not widely or generally recognized

the act of attempting to do or achieve something difficult in a determined way

to cause or impose something unpleasant, harmful, or unwelcome upon someone or something

an individual with a great amount of knowledge, skill, or training in a particular field

referring to a place or area where access is restricted or prohibited

(of a volcano) currently showing signs of volcanic activity or having the potential to become active soon

the branch of science and technology that involves the use of living organisms, cells, and biological systems to develop new products and applications for various industries

a product made during the manufacture of something else

(of rules and regulations) absolute and must be obeyed under any circumstances

at, in, or to another place

a mention or citation of something, often to provide context or support for an idea

in a way that is very quick and often unexpected

(of a material) having not undergone any processing or refinement

the commercial enterprise of moving goods and materials

approximate or lacking in detail or refinement

distinctive among others that are of the same general classification

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

to exist together in the same location or period, without necessarily interacting

the act of making a decision or taking action towards a particular goal or outcome

to a great or considerable extent

extracted from a source of supply as of minerals from the earth

a person or animal that resides in a particular place

to overlook or neglect something important or noteworthy

deserving of time, effort, or attention due to inherent value or importance

causing a lot of damage or harm

the organisms that inhabit the oceans and other saltwater environments

the space outside the earth's atmosphere

to occupy a particular place

to change something in a way that suits a new purpose or situation better

to a large or significant degree

as a result of a specific cause or reason

not yet identified

a result, particularly an unpleasant one

to expect or rely on something happening or someone doing something

properly arranged or ready to be used

to provide or supply something that was expected or promised