Closed chain series
[医] 闭链系
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
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
Thanks for your understanding and cooperation.
谢谢你的理解和合作。
It's nothing.
小事情；不足挂齿。
It is because in the modern world, English is very widely used for business between different countries.
这是因为在现今世界，英语广泛应用于国与国之间的贸易往来。