Improper integral
[计] 反常积分, 广义积分
🧩 词语组成解析
🗣️ 情景例句
I think it's too easy.
我觉得它太简单了。
Let beggars match with beggars.
龙配龙，凤配凤。
When he woke up, his hands and feet had already been tied together.
当他醒过来的时候，他的手脚已经被捆起来了。