Hexanolactam
[化] 己内酰胺
🗣️ 情景例句
What time is my lunch date with Bill Levine?
我与Bill Levine 约好的中饭时间是几点？
In moderating, not satisfying, desires, lies peace.
节欲不纵情，心情得安宁。
There is a broken small old gray stone bridge over the river.
河上有一座破烂不堪的、古老的、灰色的小石桥。