I keep thinking back to the day I arrived here.

我不断回想起刚到这儿那一天的情景。

《牛津词典》

I am thinking back to the Finals I played.

我很想回到那些我参加过的决赛里去。

youdao

Don't waste time thinking back to what you could have done differently yesterday.

不要浪费时间去想，若是回到昨天你就可以做得更好。

youdao

"If he'd been able to come back and to gather around him some powerful, like-thinking nation builders, they might have been able to create his ideal of having one Spanish speaking South American country" "It would have been a different world."

VOA: standard.2010.06.09

But when we're thinking about actual wave behavior of electrons, it's just important to keep in the back of our head that some areas have positive amplitude and some have negative.

电子的波动行为时,我们，要记住,某些地方是正的,某些地方是负的,当我们讲到。

麻省理工公开课 - 化学原理课程节选

I'm going to keep coming back to that idea, but I'm going to call it computational thinking.

我会尽量回到这个想法上来，不过我将继续把它叫做计算思维。

麻省理工公开课 - 计算机科学及编程导论课程节选

Ms. Nasar traces the hopeful strain of economic growth thinking back to the dimly remembered Alfred Marshall.

FORBES: Dear Budget Supercommittee: It's Time To Grow Up

Now, as I was walking around the science fair, I was thinking back to when I was your age.

WHITEHOUSE: President Obama Speaks at White House Science Fair

Industry executives are probably thinking back to the success of drugs such as Plavix and statins like Lipitor and Zocor.

FORBES: How A Failed Alzheimer's Drug Illustrates The Drug Industry's Gambling Problem