Piperidine
n. [化]哌啶,氮杂环己烷
🗣️ 情景例句
Let's meet with Charley at the university club.
我们就去大学俱乐部见见Charley吧。
Today is May 21st.
今天是五月二十一号。
But this is not a business that can be undertaken in a day or swiftly improvised by a mere command of the will.
但这并非一日之功，也不是单凭意志一蹴而就的事。