1. Humans, in contrast, can chop up a single exhalation into multiple bursts of "ha ha ha" -- or words. 与之相反，人能把一个呼气过度变成可以多次爆发的“哈哈哈”声或者字词。
2. Objective To find out the reason of "dithering" of exhalation valve plate in pressure oxygen mask under high overpressure condition. 目的找出加压供氧面罩呼气活门的活门板在高余压状态下发生“抖动”的原因。
3. Regularly check whether actions of inhalation, exhalation discs are flexible, and the sealing contact surface of leader and disc is damaged, if so, should be replaced immediately. 定期检查吸入、呼出阀盘动作是否灵活，导杆及阀盘接触密封面有无损坏，如有损坏应立即更换。
英英解释
n.
1. exhaled breath
2. the act of expelling air from the lungs
