Closed loop system
[计] 闭循环系统
🧩 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
loop
[lup]
n. 圈，环;[医]宫内避孕环;回路;弯曲部分;
vt.& vi. （使）成环，（使）成圈;以环连结;使翻筋斗;
🗣️ 情景例句
Has limp weak handshake.
握手时软弱无力。
No problem.
没问题。
There was a tine when the owners of shops and businesses in Chicago that to pay large sums of money to gangsters in return for 'protection.
曾经有一个时期，芝加哥的店主和商行的老板们不得不拿出大笔的钱给歹徒以换取保护。