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报告敦促停止深海金属开采
battery – n. an object that provides electricity for things
irreversible – adj. not able to be undone or changed
moratorium – n. the stopping of an activity for a certain period of time
sediment – n. a solid substance that forms a layer at the bottom of a liquid
food chain – n. a series of living things that are linked because each groups of things eats the groups below it in the chain
alternative – n. another way of doing something
bias – n. the action of supporting or opposing a particular person or thing in an unfair way, because of permitting personal opinions to influence your judgment
impact – n. a powerful effect something has on a particular person or situation
perspective – n. a particular way of considering something