Mathematical model
[计] 数学模型
🧩 词语组成解析
🗣️ 情景例句
I would like to buy a diamond necklace for my wife.
我想为我的妻子买一条钻石项链。
She's a widow.Her husband died last year.
她是一个寡妇。她的丈夫去年死了。
so she went to fetch the porter from his basement.
于是她到地下室去找看门的人。