Eight queens problem
[计] 八皇后问题
🧩 词语组成解析
eight
[et]
num. 八;八个;第八;
n. 八;八人（或物）一组;八人划船队;
adj. 八个的;
n. 皇后区；女王（queen的复数形式）
🗣️ 情景例句
we need to have our own place to live.
我们应该有自己的房子。
When am I supposed to check in?
我应该在什么时候到机场办理手续呢？
What's wrong with it?
怎么了？