union/'juːnjən/

n.

➊ an organization formed by workers to protect their rights

➋ a group of countries, organizations, etc. which are joined together

n. [C]

➊ 工会：trade union （〈美〉labor union）工会

◇a union member 工会会员

➋ 联合，联盟：the European Union 欧盟

◇the former Soviet Union 前苏联

◇She joined the students’（或student）union. 她加入了学生会。

构词uni- + on →联合成一个整体

音组-nion/-njən/

companion; onion; opinion; union