Umbelactone
羟甲基甲基呋喃酮
🗣️ 情景例句
Here, take a look at these Rolexes.
来看这几只劳力士吧！
To youth I have but words of counsel -- work, work, work.
对青年人，我要奉劝几句话∶工作，工作，再工作。
Number 64 Middle School.
64中学。