Multiduty
多用途的
??? 情景例句
What did you do?
那你怎么辦呢？
There is no fool like an old fool.
老年荒唐無法可想。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底裝上大量環狀噴氣嘴以實現這一目的。