Annull
v. 使成无效;取消
🗣️ 情景例句
I know a friend who can get us free tickets.
我认识一个可以给我们弄到免费票的朋友。
He has gone far beyond me in learning.
他在学问上超过我。
Well, I've recently started biology.
喏，我最近开始学生物学了。