Category theory
[计] 分类理论, 范畴论
🧩 词语组成解析
🗣️ 情景例句
Yes. Have the people arrived?
是的。客人来了吗
What are the principal farm products in this region?
在这个区域的主要的农场产品是什么？
Officials used to have trouble with the foreign names of people passing through Ellis Island, and because they were so busy, many people's names got changed in the rush.
官员们过去总是搞不清埃利斯岛过境人员的外国姓名，因为他们非常繁忙，所以在过境的人蜂拥而至的时候，许多人的姓名都被更改了。