Closed domain
[计] 闭域
🧩 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
What's the bottom line?
究竟是怎么回事？
Cheerfulness and goodwill make labour light.
欢快与好意，劳动不觉累。
No, I didn't. I didn't have his telephone number.
不，没有。我没有他的电话号码。