Indefinite integral
[计] 不定积分
🧩 词语组成解析
🗣️ 情景例句
Now, we always use different packing for different goods.
我们一向是不同的货物用不同的包装。
Thank you for your kindness.
谢谢你的好心。
There is a car race near our town every year.
在我们镇子附近每年都有一场汽车比赛。