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
And it makes me feel good that you care about me.
而且， 关心我， 也让我感到很高兴。
The darkest hour is that before the dawn.
黎明前是最黑暗的时刻。
Good idea! Shall we ask Jim?
好主意！要邀请吉姆吗？