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
Your boyfriend is a bag of bones.
你的男朋友瘦得皮包骨头。
She cried with shock.
她因受惊吓而喊叫。
In a few years the small workshop had become a large factory which employed seven hundred and twenty-eight people.
几年之后，小铺子已经发展成了一个雇有728人的大工厂。