英语听力精选进阶版 13679（在线收听） |
Ocean life under threat Vocabulary absorbed taken in corroding gradually destroying simulates creates particular conditions that exist in real life using computers, models, etc, for research deteriorate become worse emitting giving off, releasing indicates shows biodiversity the existence of many different kinds of animals and plants dramatic shifts big changes a tipping point the point at which many small changes reach a level where a further small change has a very great effect unprecedented has not happened before |
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