air cap

• 气孔

air cap的用法和样例：

例句

1. "A sweet temper" is a figurative expression, but "sweet coffee" is not.
   "甜蜜的性情"是个比喻的说法，而"甜咖啡"则不是。
2. Ring-shaped This is done by a great number of ring-shaped air jets on the bottom of the craft.
   船底装上大量环状喷气嘴以实现这一目的。