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
Philip had to go back to the hospital. Philip
必须要回医院。
There are no birds of this year in last year's nests.
事过境迁。
Who died and made you king?
你算哪根葱？