Smokeshade
大气污染粒子
🗣️ 情景例句
Until today, I was never really interested in medicine.
直到今天 ，我才对医学真正感兴趣。
I asked him to check it for me, but he wouldn't.
我请他帮我检查，但是他不肯。
Customs Officers are quite tolerant these days,
现在的海关官员往往相当宽容。