Chain propagator
[化] 链反应活性中心
🧩 词语组成解析
chain
[tʃen]
n. 链子，链条;连锁，连续;拘束;连锁店或旅馆系列的事物;
vt. 用铁链锁住;监禁，束缚;
n. 增殖者, 宣传者\\n[化] 传播函数
🗣️ 情景例句
He should just about get by in the exam.
他这次考试还能勉强及格。
How often did I tell you to keep quiet?
我告诉你多少次要安静?
we are no longer free to choose the things we want,
但我们已经无法独立自主地选购自己所需的东西了。