基础释义
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柯林斯词典释义

福克斯词典 \ 英汉词典 \

cetaceans是什么意思？

cetaceans

n. 鲸目动物( cetacean的名词复数 )；

例句

Missing until recently were fossils clearly intermediate, or transitional, between land cetaceans. 近期发现的化石已经可以很清晰地帮助人们了解这个问题, 以及他们之间的过渡关系.
It is not clear whether cetaceans undergo dream sleep. 鲸类动物是否经历梦睡眠还不清楚.
Cetaceans reduce the number of breaths they take during rest periods. 鲸类动物在休息时减少它们的呼吸次数.

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柯林斯高阶英汉双解学习词典释义

N-COUNT

鲸目动物

Cetaceans are animals such as whales, dolphins, and porpoises.

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