Air purity
[机] 空气纯度
🧩 词语组成解析
air
[ɛə]
n. 天空;气氛;空运;（简单易记的）曲调;
vt.& vi. 晾晒;烘干;播送;广播;
vt. 使房间通风， 透气;
🗣️ 情景例句
Sorry. I have a meeting right now.
抱歉，我马上有个会议要开。
Two dogs over one bone seldom agree.
两狗啃一骨，相持难服输。
I argued that if I spent less time exhausting myself at exercises in the morning,
我辩解说，早晨少耗费精力锻炼，