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 have ideal blood pressure. A perfect heart.
我血压正常得很 ，心脏也很好。
I like listening to pop music.
我喜欢听流行音乐。
Bad luck! said Mother. It doesn't matter!
“真糟糕！”妈妈说，“没关系！”