Caprolactam
n. [化]己内酰胺
🗣️ 情景例句
What's on the menu?
有什么菜？
I haven't seen you for age. You haven't been sick, have you?
好久不见。你不是病了吧？
This immense chasm has been formed by an underground stream which has tunneled a course through a flaw in the rocks.
这个深邃的洞穴是由一条地下暗泉冲刷岩石中的缝隙并使之慢慢变大而形成的。