Pneumacator
气动发送器
🗣️ 情景例句
I'm very proud of you.
我为你感到非常骄傲。
Whom do you want to talk to?
你要和谁讲话？
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。