Multirunning
[计] 多道运行
🗣️ 情景例句
I enjoy camping.
我喜欢露营。
I can't say…
有口难言。
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。