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单词库 \ 英汉词典 \

sacs是什么意思

sacs

n. （动植物组织中的）液囊( sac的名词复数 )；

柯林斯高阶英汉双解学习词典释义

N-COUNT

(动物体内的)囊，液囊，气囊

A sac is a small part of an animal's body, shaped like a little bag. It contains air, liquid, or some other substance.
例句
The lungs consist of millions of tiny air sacs. 肺由数百万个小气囊组成。

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