vt.

1. 抽完，汲乾；把……的內容抽空[（+from/of）]
2. 用完，耗盡
   He had exhausted his supply of water.

   他已耗盡了全部供水。

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

   我父親精疲力竭。

   The marathon talks exhausted him completely.

   馬拉松式的談判使他精疲力竭。

4. 詳盡研究；詳盡論述
   Her book on child-care exhausts the subject.

   她那本關於兒童保育的書寫得詳盡透徹。

vi.

1. 排出氣體
   The engine exhausts through the muffler.

   引擎透過消音器排氣。

2. （氣體等）被排出

n.

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

   汽車的排氣系統出了故障。

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

   業已採取有效措施以防止廢氣汙染。

3. 排氣管；排氣裝置[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.