Urosternite
[医]腹节腹片
🗣️ 情景例句
Right.
对。
No pains, no gains.
不劳则无获。
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。