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
I'll call and find out.
我打电话问看看。
The path of duty is the path of safety.
尽职的路是安全的路。
Hello, everyone!
大家好！