Bdam
[计] 基本直接存取法
🗣️ 情景例句
who's responsible for this meeting,
他是这个会议的负责人
My brother wants to learn how to sail a boat.
我的兄弟要去学操纵帆船。
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。