One night, Amanda was chatting on the Internet while Jennifer did her calculus homework.

有一天晚上詹尼佛在写微积分作业，阿曼达则是上网聊天。

youdao

I had been doing a lot of trig homework for a calculus class I was taking in undergrad and this number appears a lot.

大学上微积分课时我做了许多三角学的作业，作业中这个数经常出现。

youdao