Copaivic acid
[化] 苦配巴酸
🧩 词语组成解析
🗣️ 情景例句
We're going to take it slow first.
开头我们要做慢一点。
Talk of the devil, and he is sure to appear.
说鬼鬼到。
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。