Hydrofine
加氢催化精制, 氢化提纯
🗣️ 情景例句
He just can't keep a steady job.
他就是不能安心地在一个地方工作。
I haven't the slightest idea what you're talking about.
我一点也不知道你在说些什么。
There are two other points to consider.
发传真要考虑另外两点。