形容词
中文翻译：无氧的
同义词：
['oxygen-free', 'anaerobic', 'anoxic例句：1. The air in this room is oxygen-free', "so it's not safe for anyone to breathe.（这个房间里的空气是无氧的，所以任何人都不能呼吸。）2. The bacteria that live in the deep ocean are anaerobic and can survive in oxygen-free conditions.（生活在深海的细菌是厌氧的，可以在无氧条件下生存。）"]
例句：
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1. The air in this room is oxygen-free, so it's not safe for anyone to breathe.
这个房间里的空气是无氧的，所以任何人都不能呼吸。
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2. The bacteria that live in the deep ocean are anaerobic and can survive in oxygen-free conditions.
生活在深海的细菌是厌氧的，可以在无氧条件下生存。
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3. The anoxic zone is a region where there is no oxygen present, which makes it difficult for plants to grow.
缺氧区是没有氧气存在的区域，这使得植物难以生长。