Air-filtration
空气过滤
🧩 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;
n. 过滤\\n[化] 过滤
🗣️ 情景例句
What's the spelling of your family name, sir?
您的姓怎么拼，先生？
If I want to be healthy,I have to stop smoking cigarettes.
如果我想要健康,我必须停止吸烟。
How's everything?
一切还好吧？