Closed operator
[计] 闭算子
🧩 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
I think we should move, I don't feel safe in this neighborhood anymore.
我想我们应该搬家，在这样的邻里关系中我感到不安全。
Debt is better than death.
负债总比死亡强。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压，可以煮少量水的便携式热水装置是有用的。