Minimum cover
[计] 最小覆盖
🧩 词语组成解析
🗣️ 情景例句
We were all sorry when we heard that your brother had had an accident.
我对你弟弟的意外感到遗憾。
It's time for class.
上课时间到了。
We have just moved into a new house and I have been working hard all morning.
我们刚刚搬进一所新房子，我辛辛苦苦地干了整整一个上午。