Chain substitution
[化] 链上取代
🧩 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;
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
was supposed to be made into a community center
原计划改成一个社区交谊中心
You are very justified in your answer.
你的答辩使你的行为的正当性深受认可。
It was made of red silk.
它是用大红丝绸做的。