Scumming
[机] 起泡沫
🗣️ 情景例句
The subject is unfamiliar to me.
那个问题我不熟悉。
Laugh before breakfast you'll cry before supper.
乐极生悲。
When I was a teenager, I felt that I was just young and uncertain --
我十几岁时，总感到自己年轻，有些事拿不准 --