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
I did make a difference in town.
我确实在镇上发挥了影响力。
Could I speak to you, please?
我可以跟你谈话吗？
Are there many differences?
它们有很大差别吗？