n.[C]

1. 选举区的全体选民[G]
   The constituency is/are voting tomorrow.

   该选区全体选民将于明天投票。

2. 选举区
   I represent a big constituency whose residents are all against this bill.

   我代表一个很大的选区，那里的人都反对这个法案。

3. （一批）顾客（或拥护者等）

n.

1. a body of voters in a specified area who elect a representative to a legislative body.
   ▸chiefly Brit. an area represented in a legislative body.
2. a body of customers or supporters.