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
We are running a special offer on this holiday.
我们在这个假期有个特价优惠。
So five hundred dollars will be 4, 350 RMB yuan.
500美元可兑换人民币4350元。
A great many goods were sent to the exhibition from various parts of the world.
大量的商品从世界各地运送到了博览会，