死记硬背有很多的局限性，这一点我们必须承认。

We should admit that rote learning has a number of limitations.

youdao

不过，他身上背有一个巨大的污点：他的信仰。

But he has a big black mark against him: his faith.

youdao

死记硬背有很多的局限性，这一点我们必须承认。

We should admit that rote learning has a number of limitations. Think about this situation.

youdao

We know we need to divide by 266, 266 but what we need you to help us with is to figure out this top number here and see how many particles are going to backscatter. So if the TAs can come up and quickly hand out 1 particle to everyone.

知道背散射的概率就可以了，我们知道要除以,但还需要你们来搞清楚,分子上的数是多少，有多少个发生背散射的粒子,助教们请过来,把这些球分给同学们。

麻省理工公开课 - 化学原理课程节选

My back hurts. And we have a lot to wash.

我的背受伤了。我们有很多东西要洗。

Do you mind 实战 - SpeakingMax英语口语达人