Xerodermosteosis
[医]干皮性骨化病, 干皮性骨质生成
🗣️ 情景例句
No, no. Please, go ahead.
不用 ，不用。你走吧。
No. Can't you see that rocket is almost falling down.
不。你不知道火箭快要倒下来了吗？
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。