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(单词翻译)
21. That matters because theory suggests that the maximum sustainable yield that can be cropped from a fishery comes when the biomass of a target species is about 50% of its original levels.
收听单词发音
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onward
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| adj.向前的,前进的;adv.向前,前进,在先 | |
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insipid
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| adj.无味的,枯燥乏味的,单调的 | |
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