Pentazole
五唑
??? 情景例句
Come in, please.
請進。
I'm a graduate of Yale University, I have a Doctor of philosophy degree.
我是耶魯大學的畢業生，我有哲學博士學位。
at eighty can knock us out, and into our grave.
能到了80歲可能會使我們一蹶不振而進入墳墓。