join
- vt. 参加；结合；连接
- vi. 加入；参加；结合
- n. 结合；连接；接合点
- n. (Join)人名；(法)茹安
英英释意
- 1. the shape or manner in which things come together and a connection is made
- 2. a set containing all and only the members of two or more given sets;
- "let C be the union of the sets A and B"