Radioactive decay chain
[化] 放射性衰变链
🧩 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
How do you do?
你好。
I can't recall how long it's been.
我不能记起多长时间了。
He told him he had better return it or he would call the police.
告诉他最好把羊交还，否则就去叫警察。