groups的中文意思、音标与词形变化

n. 群组, 组；用户组；团体（group的复数形式）

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 v form a group or group together