Scumming
[机] 起泡沫
🗣️ 情景例句
Has poor scholastic record, just got by.
学习成功不够好，仅仅过得去而已。
I think this is a fake diamond.
我想这是假钻石。
I'm sure I can do better than that.
我肯定会超过1分12秒的。