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
Really?
真的吗？
What should this sandwich be seasoned with?
这些三明治该加些什么调味品好？
The hunt went on for several weeks, but the puma was not caught.
搜寻工作进行了好几个星期，但始终未能逮住那只美洲狮。