n.擴(kuò)散器；漫射體；揚(yáng)聲器紙盆；傳播者
No fresh air came out of the diffuser in the pond. 塘底的空氣擴(kuò)散器沒有釋放空氣出來.
An integrated lower rear diffuser reduces drag and improves fuel efficiency. 集成的后部擴(kuò)散器減少低阻力，提高燃油效率。
