Weatherproofness
风雨密性
🗣️ 情景例句
Thank you, Mr. Wang. See you later.
谢谢您，王先生。再见！
Of course.
当然。
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。