自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-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.
I feel that women in all types of employment can benefit from joining a union.
N-UNCOUNT 联合；合并 When the union of two or more things occurs, they are joined together and become one thing.
In 1918 the Romanian majority in this former tsarist province voted for union with Romania.
N-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 .
Tanzania is a union of the states of Tanganyika and Zanzibar.
...the question of which countries should join the currency union.
N-COUNT 婚姻 The marriage of two people is sometimes referred to as a union .
Even Louis began to think their union was not blessed in the eyes of God.
N-IN-NAMES （用于名称中）俱乐部，协会，联合会 Union is used in the name of some clubs, societies, and organizations.
The naming of stars is at the discretion of the International Astronomical Union.
...the Mothers' Union.