lung capacity

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释义
肺活量
lung volume，The volume of air associated with different phases of the respiratory cycle.

例句
Chandler: I have the lung capacity of a two year old.
Monica: Then why are you smoking.(Friends)
钱德勒：我现在是2岁的肺活量。
莫妮卡：那你为什么还抽烟。（老友记）