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
You should consider his proposal.
你该仔细考虑他的建议。
That's it.
对了。
The towers are built on immense underwater platforms make of steel and concrete.
塔身建在巨大的水下钢盘混凝土平台上。