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
I know you must be excited to go home after such a long business trip.
出差这么久,终于要回家了,我想你一定很高兴。
Thank you for your kind cooperation.
谢谢您的合作。
And then, James could see! How happy everyone was!