Sorry, I just like to watch almost all kinds of ball games. I'm strictly spectator.
对不起,我仅仅喜欢观看几乎所有的球类比赛,我是个十足的观众。
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。