Definite integral
[计] 定积分
🧩 词语组成解析
🗣️ 情景例句
Robbie's cooking tonight, and dinner's at six thirty.
今晚Robbie作饭 晚餐六点半开始。
To sum up, he agrees with us.
总而言之，他赞成我们。
What do you think of it?
你觉得怎么样？