英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Ventilator的结果
Ventilator
(n.)
A contrivance for effecting ventilation; especially, a
contrivance or machine for drawing off or expelling foul or stagnant
air from any place or apartment, or for introducing that which is fresh
and pure.