Smogless
a. 无烟雾的;不排放(导致产生烟雾的)烟气的
🗣️ 情景例句
I am studying two majors, and it's quite a burden on my time.
我有两门主修课，这占据了我很大一部分时间。
He knows most who speaks least.
大智者寡于言。
I brought it here three days ago.
3天前。