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'm very tired.
我很累了。
Not at all.
当然可以。（当然不介意）
Not realizing who she was, the assistant was eager to serve her this time.
那个售货员没有认出她是谁，这一回接待她的态度非常殷勤。