Improper integral
[计] 反常积分, 广义积分
🧩 词语组成解析
🗣️ 情景例句
You haven't changed much in fifty years.
你五十年来没有什么变。
Lookers-on see most of the games.
旁观者清。
During that time she so gained my aunt's confidence that she was put in charge of the domestic staff.
在此期间，她赢得了姑母的赏识，甚至当上了大管家。