n.

1. 座，座位[C]
   Excuse me, is this seat taken?

   对不起，请问这座位有人吗？

2. （椅子的）座部；（人或裤子的）臀部[S]
3. 席位，职位[C]
   His party has one third of the seats in Parliament.

   他那个党在议会中占三分之一席位。

4. 所在地，活动中心[C][（+of）]
   Universities are seats of learning.

   大学是学术研究的场所。

5. （马等的）骑法，骑乘姿势[C]

vt.

1. 使就座[H]
   He seated himself in a chair.

   他在椅子上坐下。

2. 有……座位，容纳……人[W]
   The auditorium seats 3,000 people.

   这个礼堂可坐三千人。

3. 安装（零件等）

n.

1. a thing made or used for sitting on, such as a chair or stool.
   ▸the roughly horizontal part of a chair.
   ▸a sitting place for a passenger in a vehicle or for a member of an audience.
2. a person's buttocks.
   ▸a manner of sitting on a horse.
3. a place in an elected parliament or council.
   ▸Brit. a parliamentary constituency.
4. a site or location.
   ▸ (also country seat) Brit. a large country house and estate belonging to an aristocratic family.
5. a part of a machine that supports or guides another part.

v.

1. arrange for (someone) to sit somewhere.
   ▸ (seat oneself or be seated) sit down.
   ▸(of a building or vehicle) have sufficient seats for.
2. fit in position.