Disjoint union
[计] 不相交的并
🧩 词语组成解析
v. (使)脱节, (使)解体, (使)脱臼
🗣️ 情景例句
Touchdown! Touchdown! Touchdown!
达阵得分！ 达阵得分！ 达阵得分！
The history paper was really easy, so was the biology one.
历史试题确实容易，生物试题也很容易。
We cannot change a law.
我们不能变更法律。