And Rutherford, who I have already described to you as being a little bit colorful in his language, backed up Bohr on this.

而卢瑟福，就是以前我跟你们提过的那个,语言丰富生动的人，在这一点上证实了波尔的理论。

麻省理工公开课 - 固态化学导论课程节选

We're talking about like, if you didn't, even if you had all your data on your computer backed up on hard drive,

如果你没有将你电脑里的数据备份到硬盘里，

没有智能手机活不了 - SpeakingMax英语口语达人

Now we've backed up to here.

现在我们回到这里。

麻省理工公开课 - 计算机科学及编程导论课程节选

Ralph Waldo Emerson: "All history is a record of the power of minorities, and of minorities of one, "-- a lot to backed that up in social science research.

爱默生说：,“人类历史是少数派，和一个人的少数派的权力记录，很多社会科学研究支持这个观点。

哈佛公开课 - 幸福课课程节选

Then the first time so he came up a major third there and then quickly backed off with just a half step below it, which completely gave it a different feel.

于是开始的时候,乐曲中出现一个大三和弦,然后快速地降低了半个音,这种变化给人完全不同的感受

耶鲁公开课 - 聆听音乐课程节选