单词
group
英 [gru?p]
美[ɡrup]
基本信息
- n. 组；团体
- adj. 群的；团体的
- vi. 聚合
- vt. 把…聚集；把…分组
CET4考研CET6高频词基本词汇TEM4GRE
英英释意
- 1. any number of entities (members) considered as a unit
- 2. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
- 3. a set that is closed, associative, has an identity element and every element has an inverse