Interval integral
[计] 区间积分
🧩 词语组成解析
🗣️ 情景例句
I'd be glad to tell you what I think.
很高兴告诉你我的想法。
Care brings grey hair.
忧虑催人老。
After his attempt, Campbell was disappointed to learn that his average speed had been 299 miles per hour.
比赛结束后，坎贝尔非常失望地得知他的平均时速是299英里。