Paraldol
仲醛醇, 二聚间羟丁醛
🗣️ 情景例句
It's too soon to know for certain.
现在还太早， 不知道确切情况 。
The first element of success is the determination to succeed.
成功的首要因素是要有成功的决心。
How did the printing come out?
这种印刷结果怎样？