Caprolactam polymerization
[建] 己内酰氨聚合(作用)
🧩 词语组成解析
n. [化]己内酰胺
n. 聚合\\n[化] 叠合反应; 聚合; 聚合反应
🗣️ 情景例句
I've been thinking.
我一直在考虑。
What shall I send hin for his anniversary?
我要送他什么东西作为周年纪念礼物？
It is one of the most unpleasant discoveries which we all make that we must decline in this way,
人人必然会衰老。