a member

基本解释

Japan is a member to the Universal Postal Union.
日本是万国邮政联盟的成员（国）。
《新英汉大辞典》
Do you volunteer or serve in an organization or are you a member of some group?
你是否在某个组织服务或者担任志愿者，又或者你是某个团队的成员？
You should document any and all exceptions that a member function throws at you so that other programmers know what their code will need to catch.
您应该对成员函数向您掷出的所有异常编制文档，以便其它程序员知道他们的代码将需要捕捉什么。

He was also a member of the Grammy Hall of Fame, Songwriters Hall of Fame and National Inventors Hall of Fame.
But even though they became freed, they were still considered a member of this guy's household, as his client and his freedman.
但是虽然被释放了，但他们仍然是原主人家户中的一员，仍是主人的被庇护人及自由人。
耶鲁公开课 - 新约课程节选
So, only a member of the Royal Society could read the paper into the proceedings, into the session of the society for subsequent publication.
因此只有一些皇家学会的成员,才能够读到相关进展的论文，和即将发表的,学会会议记录。
麻省理工公开课 - 固态化学导论课程节选

Born in Argentina, Stern became a member of the Orthodox Jewish community in Monsey, N.
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