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
... my slogan is I care.
……我的口号是， 我关心 。
What were you doing when I called?
我打电话给你时你在干吗？
The sun was shining and the sky was crystal clear.
阳光闪烁，天空湛蓝。