n.

1. 坐，就座，入席[U]
2. 坐着的一段时间[C]
   I read the book at a single sitting.

   我坐着一口气将这本书读完了。

3. （议会、法庭等的）开会；开庭；会期[C]
4. （分批开饭的）一批[C]
5. （鸡等）孵卵[U]
6. 一次的孵卵数[C]

a.[B]

1. 坐着的；坐着做的
2. 孵卵中的
3. （动物）蹲着的；（鸟）停落的
4. 【英】（议员等）在任期内的，现任的
   a sitting member of Parliament

   任期内的议员

5. 易击中的

n.

1. a period or spell of sitting.
2. a period of time when a group of people are served a meal.

adj.

1. in a seated position.
2. currently present or in office.