Dioxanate
二恶烷盐
🗣️ 情景例句
I'm not sure I'm up to it.
我不能肯定我是否能做得来。
I'm looking for a temporary position.
我在找临时雇员的工作。
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。