Closed system
[计] 闭合系统\\n[化] 封闭系统
🧩 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
🗣️ 情景例句
Play it cool.
做事要冷静。
The eye is blind if the mind is absent.
心不专则眼不明。
So great is our passion for doing things for ourselves, that we are becoming increasingly less dependent on specialized labour.
现在我们自己动手做事的热情很高，结果对于专业工人的依赖越来越少了。