Dedusting
[化] 除灰; 氣體除塵
??? 情景例句
it's a graduation party for me.
這是為我畢業所辦的派對。
Know something of everything and everything of something.
既要有一般常識，又要有專業知識。
The curious thing was that the lake was not marked on the map.
奇怪的是那個湖沒有在地圖上標出。