A bloc is a group of countries which have similar political aims and interests and that act together over some issues.
例句
...the former Soviet bloc.前苏联集团...the world's largest trading bloc.世界上最大的贸易共同体
英汉词典释义
n.
集团;联盟
A solid bloc of union members support the decision.工会会员团结起来支持该决定。The five countries formed a regional trade bloc.5 国成立了一个地区性贸易集团。There have been growing tensions within the trading bloc.贸易同盟国的关系越来越紧张。The Liberal Bloc voted for the tax increase.开明集团投票赞成增税。