Chain extension
[化] 链伸长
🧩 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
you can help me with dinner.
你就来帮我准备晚餐。
Provide for the worst, the best will save itself.
作最坏的准备，可以得到最好的结果。
That's why I didn't see the sign.
所以我才没看见那牌子。