Poudrage
撒粉法, 施用粉剂
🗣️ 情景例句
Robbie, the dinner was terrific.
Robbie，晚餐真是棒透了。
How long will you remain in the United States?
你将会在美国逗留多久？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，