Thebacone
醋氢可酮
🗣️ 情景例句
Be on your guard.
你要提防着点儿。
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。
Did she learn all by herself? How clever.
她全是自己学会的吗？多么聪明啊！