Pentaldol
[化] 戊醛醇(俗); 2,2-二甲基-3-羟基丙醛
🗣️ 情景例句
I'm glad I got to know you--and your family.
我也很高兴能够认识你和你的一家人。
Opportunity only knocks once.
机不可失，时不再来。
After a little time, she chose one of the most expensive dresses in the shop and handed it to an assistant who wrapped it up for her as quickly as possible.
过了一会儿，她又选了商场里最昂贵的一件衣服，把它递给了售货员。那售货员以最快的速度为她包好了衣服。