n. 1.群；批，簇。 2.集团，团体，小组。 3.【化学】基，团，组；(周期表的)属，族。 4.(雕塑等的)群像。 5.【地质学；地理学】界。 6.(英、美的)空军大队。 7.〔G-〕 【宗教】牛津团契。 短语和例子 a group of people 一群人。 the grain group谷类。 blood group血型。 a ginger group 要求政府采取坚决行动的议员，起推动作用的政党骨干小组。 a pressure group 〔美国〕(对国会等施加影响的)压力集团。 group by group 分批地。 in a group ＝ in groups 成群地。 vt. 1.集合，使成一团 (with)。 2.组合，配合 (together)。 3.把…分类。 vi. 成群；聚集，类集。
any number of entities (members) considered as a unit 同义词：grouping,
a set that is closed, associative, has an identity element and every element has an inverse 同义词：mathematical group,
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule 同义词：radical, chemical group,
arrange into a group or groups; "Can you group these shapes together?"
form a group or group together 同义词：aggroup,
A group is a number of things or persons being in some relation to one another.
例句与用法
1.
She imposed her ideas on the group . 她把自己的想法强加于全组的人。
2.
People were standing about in small groups . 人们三五成群地站立着。
3.
Kazeh is only a group of six vast excavations . 卡结赫只是六个大凹地。
4.
This structure is called the heme group . 这一结构叫做血红素基因。
5.
A group of ladies surrounded the captain . 一大帮妇女围住了船长。
6.
As group leader , you should take charge . 你身为组长，应当负起责任来。
7.
Jurists belonged to professional group . 法学家属于一个职业阶层。
8.
A group of individuals can be called a population . 个体的集合称为种群。
9.
Sternal muscles include two muscle groups . 腹板肌包括两个肌群。
10.
Interest groups are free associations . 利益集团都是自由的社团。
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