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（单词翻译）
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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