Propanediol
丙二醇
??? 情景例句
Well, you're the young man who did all this.
嗯， 你就是那位拍這些照片的年輕人。
I have so much to do after I retire.
我在退休后有許多事要做。
The lake was not a natural one, but a man-made reservoir.
這不是一個天然湖泊，是一座人工修建的水庫。