Acanthocephaliasis
[医] 棘头虫病
🗣️ 情景例句
Well, in 1919.
是的，在1919年。
A penny saved is a penny gained.
省一文是一文。
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。