Piperazidine
[化] 哌嗪
🗣️ 情景例句
Who is your best man?
谁是你的伴郎？
Words are but wind.
耳闻不如一见。
I have always regarded the country as something you look at through a train window, or something you occasional visit during the weekend.
总认为乡村是透过火车车窗看到的那个样了，或偶尔周末去游玩一下景象。