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The lungs consist of millions of tiny air sacs.是什么意思？

The lungs consist of millions of tiny air sacs.

肺由数百万个小气囊组成。

相关词汇
the lungs consist of millions tiny air sacs

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

lungs

n. 肺( lung的名词复数 )，肺脏；

consist

vi. 由…组成，在于，符合；

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

millions

n. 数百万，百万( million的名词复数 )；

tiny

adj. 极小的，微小的；n. 小孩子，[医]癣；

air

n. 天空，空气，空中，神态，曲调；v. 晾干，通风，公开发表，播送；

sacs

n. （动植物组织中的）液囊( sac的名词复数 )；
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