1N-COUNT 工会 A union is a workers' organization which represents its members and which aims to improve things such as their working conditions and pay. 工会
I feel that women in all types of employment can benefit from joining a union.
我认为女性无论从事什么工作,加入工会都是有好处的。
...union officials.
工会官员
2N-UNCOUNT 联合;合并 When the union of two or more things occurs, they are joined together and become one thing. 联合;合并 [Also + of]
In 1918 the Romanian majority in this former tsarist province voted for union with Romania. [+ with]
3N-SING 联盟;联合体 When two or more things, for example countries or organizations, have been joined together to form one thing, you can refer to them as a union . 联盟;联合体
Tanzania is a union of the states of Tanganyika and Zanzibar. [+ of]
坦桑尼亚是坦噶尼喀和桑给巴尔两个政体组成的联合国家。
...the question of which countries should join the currency union.