Mappers
(mapper 的复数) n. 制图人\\n[化] 绘图仪; 制图人
🗣️ 情景例句
I promise I won't leave early.
我发誓我再也不会早走了。
The speaker kept wandering off.
演讲的那个人老是走题。
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。