Parasheet
[航空]多角形降落伞
🗣️ 情景例句
Oh, the bet is still on, but you shop for the groceries.
打赌人仍然有效 ，但你去买菜。
How often do you go swimming?
你多久去游一次泳？
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。