膨胀阱: expa ion hatchwayexpa ion trunkexpansion hatchwayexpansion trunk
通气: 1.(使空气流通) ventilate; aerate2.(互通声气) be in touch with each other; keep each other informed 短语和例子大家要经常通气。 we must keep in touch with each other. 这件事你得跟他通个气。 you should let him know of this m