释义 |
气门qìmén 1.昆虫等陆栖的节肢动物呼吸器官的一部分,在身体的表面,是空气的出入口。{spiracle; stigma; any of several tracheal openings in the epidermis of an insect or any other terrestrial arthropod, as part of the respiratory organ;}也叫also气孔{qìkǒng}。 2.轮胎等充气的活门,主要由气门心和金属圈构成。空气由气门压入后不易逸出。{(of a tyre) valve, which consists of a rubber tube and a metal eyelet to prevent air from leaking} 3.某些机器上进出气体的装置。{air valve, device in a certain machine for the passage of air} |