Piperazidine
[化] 哌嗪
🗣️ 情景例句
That's right. Grandpa hangs it there for good luck.
是的。爷爷把它放在那儿 以求好运。
He that soweth virtue shall reap fame.
播下美德，收获名望。
'I'm having breakfast,' I repeated.
“我正在吃早饭，”我又说了一遍。