Topologically-closed system
[计] 拓扑闭系统
🧩 词语组成解析
[计] 拓扑地
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
However, through my experience in business at home and abroad.
但从事国内外的商业的经历中。
Try not to be so timid when you speak.
你讲话的时候不要那么紧张。
Good morning, class.
同学们，早上好！