Nanophyn
二甲哌啶
🗣️ 情景例句
I can't put my finger on what exactly makes a written piece a classic.
我不知道什么使一篇著作成为经典。
He that liveth in court dieth upon straw.
生于安乐者常死于贫贱。
I'm afraid all these offices are non-smoking offices.
恐怕这些办公室都是禁烟办公室。