vt.

1. 抽完，汲干；把……的内容抽空[（+from/of）]
2. 用完，耗尽
   He had exhausted his supply of water.

   他已耗尽了全部供水。

3. 使精疲力尽[H]
   My father is completely exhausted.

   我父亲精疲力竭。

   The marathon talks exhausted him completely.

   马拉松式的谈判使他精疲力竭。

4. 详尽研究；详尽论述
   Her book on child-care exhausts the subject.

   她那本关于儿童保育的书写得详尽透彻。

vi.

1. 排出气体
   The engine exhausts through the muffler.

   引擎通过消音器排气。

2. （气体等）被排出

n.

1. 排出；排气（或水等）[U]
   Something has gone wrong with the car's exhaust system.

   汽车的排气系统出了故障。

2. 排出的气[U]
   Effective measures have been taken to prevent exhaust pollution.

   业已采取有效措施以防止废气污染。

3. 排气管；排气装置[C]

v.

1. [often as adj. exhausted or exhausting] tire out completely.
2. use up (resources or reserves) completely.
   ▸explore (a subject) thoroughly.
3. expel (gas or steam) from an engine or other machine.

n.