Capister
变容二极管
🗣️ 情景例句
What's wrong?
怎么了？
Little boats must keep the shores.
小船不能航行远。
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。