union

/ˈjuːniən/📚 1667 100 5四级六级考研托福雅思高考
A union is a workers' organization which represents its members and which tries to improve things such as their working conditions and pay. 工会

noun [集合/集体]工会;联邦,联盟;协会,俱乐部;联合,合并;结婚,婚姻;美利坚合众国(the Union);(数)并,并集;联管节,接头;(印度次大陆)村落联合体;<英,史>教区联合济贫组织;旗帜上象征国家统一的部分;混纺织物

Do all teachers have a right to join a union?
所有的教师都有权利加入工会吗?

union 出现在下面的课文中
Lesson 8 Trading standards
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