[mass noun]the fact of being a member of a group 会员身份(或资格、地位) countries seeking membership of the European Union. 谋求欧盟会员国资格的国家。 [as modifier]a membership card. 会员证。 ■[in sing.]the number or body of members in a group 会员数;全体会员 our membership has grown by 600,000 in the past 18 months. 在过去18个月里,我们的会员增加了600,000个。