hydroplane
n
1 light motor boat with a flat bottom, that can travel fast over the surface of the water 机动平底快艇.
2 device on a submarine enabling it to rise or descend (控制潜艇升降的)水平舵.
🗣️ 情景例句
Find a productive hobby, and see if you can learn something.
找一个具有意义的爱好,看你能否从中学到什么。
They could imagine who was at the door.
他们无法想象门那边有谁在。
Yes, said Miss Yang.they're on that shelf over there.