Apneumatic
[医] 无气的
🗣️ 情景例句
He considers himself intelligent.
他认为自己很聪明。
Remember thou are but a man.
记住你自己只不过是一个人。
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。