Chain reactor
链式（反应）堆
🧩 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;
🗣️ 情景例句
Only a five percent discount? How about twenty percent?
只打九五折？八折怎么样？
The chemist is testing enzymes.
化学家在试验着酶。
It's seven twenty-five.
七点二十五了。