Caprolactam
n. [化]己内酰胺
🗣️ 情景例句
Thank you, Mr. Johnson.
谢谢你。约翰逊先生。
You cannot have two forenoons in the same day.
一日之中不可能有两个上午。
Friday, Saturday and Sunday in the country!Aren't you lucky!
星期五、星期六和星期日在乡下过！你们真幸运啊！