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
Thank you for your great service.
感谢你周到的服务。
Often and little eating makes a man fat.
少吃多餐,身强体胖。
He sends me interesting postcards from the ports where the ship stops.