Isobase
等基线
🗣️ 情景例句
Do you have smokers' toothpaste?
你这儿有吸烟者用的牙膏吗？
He operates the crane.
他在操纵起重机。
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。