Hydroxyacetone
羟丙酮, 丙酮醇
🗣️ 情景例句
Twist... again.... OK, now... scissors.
扭摆……再来……好现在……张腿合腿。
Slowly, mountains are worn away by the wind.
山体逐渐被风化了。
I'm afraid that I can't.
恐怕不行。