Improper integral
[计] 反常积分, 广义积分
🧩 词语组成解析
🗣️ 情景例句
Paper or plastic?
现金还是信用卡？
The cobbler's wife is the worst shod.
鞋匠的老婆没有好鞋穿。
After the funeral, Joe and Bob revealed a secret which they had kept for over fifty years.
葬礼之后，乔和鲍勃透露了他们保守了长达50多年的秘密。