Closed operation
[计] 闭运算
🧩 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
Tom doesn't enjoy going to school.
汤姆不喜欢上学。
What shall I send hin for his anniversary?
我要送他什么东西作为周年纪念礼物？
Great! When are we going to leave?
太好了！我们打算什么时候出发？