1.
a hole that allows the passage of air.
一个能使空气流通的通道。
2.
To admit fresh air into(a mine, for example) to replace stale or noxious air.
使通风，使空气流通使新鲜空气进入（如矿井）以替换不新鲜的或有毒的空气
3.
To expose to the circulation of air for purification.
使通气使通气，使暴露于空气流通中以净化
4.
We ventilate a room by opening windows.
我们开窗以使室内空气流通。
5.
A passageway or shaft in which air circulates, as in ventilating a mine.
通风道，换气坑空气流通的通道，如使矿井通风的风道
6.
circulate hot air by convection, as of certain ovens.
使热空气通过对流来循环，就像一个烤箱。
7.
Air pressure forces the water through the pipe.
空气压力使水通过管道.
8.
treat by exposure to a current of air so that waste matter is eliminated, as of grain.
使暴露在流通的空气下以便使没用的东西能够除掉。
9.
Always use an appropriate area, such as heat-resistant surface, keep away form drafts, vents and air currents.
要在恰当的地方如防热的表面使用，要远离纸张，孔和流通的空气。
10.
To move about or flow freely, as air.
流动，流通自由走动或流动，象空气一样
11.
supplied with a vent or vents for intake of air or discharge of gases.
使用通风口使空气进入或放出。
12.
collapse by releasing contained air or gas.
通过放去内部的空气或气体使缩
13.
a pump that draws air or another gas through a liquid.
通过流体把空气或其它气体吸出的泵。
14.
a ventilation shaft through which air enters a mine.
煤矿里能让空气流通的一个通道。
15.
the process of exposing to air (so as to purify).
使空气通畅（以达到净化空气目的）的过程。
16.
a space heater that transfers heat to the surrounding air by convection.
通过对流向周围空气传播热量的空气加热器。
17.
The stopper can prevent airiness. Bravery has separator inside, prevent airiness.
木塞能阻止空气流通。内胆有隔离层，阻止空气流通。
18.
The heavy traffic tinctures the air with carbon monoxide.
繁忙的交通使空气中充满了一氧化碳。