memberships
Membership of an organization is the state of being a member of it.
his membership in the Communist Party.
他的共产党党员身份。
The country has been granted membership of the World Trade Organisation.
该国已被批准加入世界贸易组织。
He sent me a membership form.
他给我寄了份会员申请表。
The membership of an organization is the people who belong to it, or the number of people who belong to it.
By 1890 the organization had a membership of 409,000.
到1890年,该组织有409000名成员。