n. any number of entities (members) considered as a unit
n. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
n. a set that is closed, associative, has an identity element and every element has an inverse
v. arrange into a group or groups
n. 团体, 组, 团, 群
v. 聚合, 成群
[计] 创建组; 组, 用户组
1. The students formed a study group to prepare for the exam.
学生们组成了一个学习小组来备考。
2. Our group went hiking in the mountains last weekend.
我们小组上个周末去山里徒步旅行。
3. She is the leader of the support group for new parents.
她是新父母支持小组的负责人。