集团的英文怎么写?

集团:
1. bloc
2. group

Relative explainations:
<knot> <population> <combine(-harvester)> <battalion> <conglomerate> <ring> <habatsu>

Examples:
1. 采取这些措施势必使那两集团永远对立。
These measures will perpetuate the hostility between the two groups.
2. 这个一度十分重要的社会集团（对治理该国的影响）越来越无足轻重了.
This once important social group is becoming more and more marginal (to the way the country is run).
3. 该公司以前隶属於一个国际银行集团.
The company formerly belonged to an international banking group.
4. 该公司已被美国一企业集团接管。
The firm has been taken over by an American conglomerate.
5. 警方在调查瞒税案件时意外地发现了一个贩毒集团.
Police investigating tax fraud stumbledacross a drugs ring.

①group
[^ru:p]
n.
团体, 组, 团, 群, 批, [地]界, [化]基
v.
聚合, 成群

②bloc
[blCk]
n.
为某种共同目的而采取一致行动的政治组织, 集团

③combine
[kEm5bain]
v.
(使)联合, (使)结合
n.
联