Pentasol
工业戊醇
🗣️ 情景例句
... and I do need some advice on a difficult problem.
……我的确有一个难题要请教你。
A young man married is a man that's marred.
男子早婚，种下祸根。
I meant to tell you yesterday, but you were not in your office.
我原想昨天告诉你的，但你没在办公室。