Boundary chain
[计] 边界链
🧩 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
It probably means we can't stay.
看来我们不能待在这儿了。
After eating breakfast,I go back upstairs again.
在吃早餐以后，我再回楼上。
You might have left it in the shop.
可能你把它落在店里了。