Hexanedione
[化] 己二酮
🗣️ 情景例句
That's it--show.
就是它 ，show。 ?
The stronger the motivation, the more quickly a person will learn a foreigh language.
一个人学外语的动力越强大、学得就越快。
One hour and seventeen minutes passed and we had not even covered half the distance.
1小时17分过去了，走了还不到一半路程。