1.member的基本意思是“成员,会员”,指某一个团体或某一个组织的组成者。member引申可指“身体的某个部位”。
2.member用作定语时可修饰country, state等,此时通常指国际性组织的成员。

The President alone has the power to appoint a member of the US cabinet.只有总统才能有权任命美国内阁成员。
The cabinet members are responsible directly to the president.所有内阁成员都直接对总统负责。
The member of parliament for our town will be introduced to the local party tonight.我们城里未来的议员今天将被邀请参加一个当地的宴会。
She is always a lively member in the party.她一直都是党内的活跃分子。
Every member of the organization should be constant to its regulations.这组织的成员都得遵守规则。
There are few female members of the committee.该委员会的女性成员极少。
She is a member of Historical Society.她是历史协会会员。
He is eligible to be a member.他有资格成为会员。
Two tennis courts and a swimming pool are available for the members.两个网球场和一个游泳池可供会员们享用。
He was the sole member of the group to go.他是那个组唯一要去的成员。
The new members of the class received supplementary instruction.班级的新成员补了课。
He's a member of the senior class in the university.在这所大学里,他是高年级的一名学员。
The country is a member country of EEC.这个国家是欧洲经济共同体的成员国。
Her lower members were numb with cold.她的下肢冷得麻木了。

下面两个句子意思不同:
They are members of our college team.
他们是我们校队的部分队员。
They are the members of our college team.
他们是我们校队的全部队员。

［词源］  ＜拉丁语membrum(肢,部分)