Inproquone
[化] 雙丙氧亞胺醌
??? 情景例句
The advanced class is nonstop.
高級課程， 是沒有休息的。
Good to see you too, I think.
幸會……，大概。
it is not always safe by the time it reaches the tap.
等水到達龍頭時就不一定總是安全的了。