Phugoid
长週期振动
🗣️ 情景例句
Can I see it?
我可以看吗？
Excuse me I can't do it now.
对不起我不能现在做。
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。