Extranets
外延网
🗣️ 情景例句
Where was that?
在什么地方？
Don't you have my hat?
你没拿我的帽子吧？
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。