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
She was kicked out of the university.
她被大学开除了。
She wants me to come as often as possible.
她希望我尽可能常来。
He telephoned the office yesterday morning and yesterday afternoon.
他昨天上午和下午把电话打到了我的