Cyclohexanone-formaldehyderesion
[建] 环己酮-甲醛树脂
🧩 词语组成解析
n. [化]环己酮
🗣️ 情景例句
Well ...
嗯……
It's December.
现在是十二月。
Where do you think you are? On a race track?
你认为你现在是在哪儿？在赛车道上吗？