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 do you do, if I may ask?
你不介意的话，能告诉我你是做什么工作的吗？
We never know the worth of water till the well is dry.
井干方知水可贵。
The porter went to fetch one and arrive back with the station master,
搬运工跑回去取时刻表，同时请来了站长。