Molecular composition
[化] 分子组成
🧩 词语组成解析
🗣️ 情景例句
And I am a hard worker when I have something challenging to do.
并且在遇到挑战性的工作时，我是个很努力的人。
The restaurant doesn't open until seven forty-five.
饭馆要到七点四十五分才开门。
I'll tell my mother what we've decided to do.
我要告诉我妈妈我们的决定。