Papain
[医]木瓜蛋白酶
🗣️ 情景例句
Oh, Daddy!
噢， 爸爸！
The voice is not distinct.
声音不清楚。
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。