Boundary-value problem
[化] 边值问题
🧩 词语组成解析
🗣️ 情景例句
Remember our first fishing trip?
还记得我们第一次去钓鱼吗？
What were you doing this time last year?
去年这时候你在干什么？
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。