A thought flitted through my mind.

我脑海中掠过一个念头。

《牛津词典》

An idea suddenly floated into my mind.

我脑海里突然浮现出一个想法。

《牛津词典》

Her words re-echoed in his mind.

她的话萦绕在他的脑海中。

《牛津词典》

So if you have ideas about that pursue them keep them in mind and you'll see a lot in the course.

如果你们有什么想法,将它们继续保留在脑海中,你们将会在这门课上看到很多类似范例。

麻省理工公开课 - 电影哲学课程节选

I imagine that you all have images of Robert Frost and actual images in your mind when you think of this poet.

我觉得你们对弗罗斯特都有一定的印象,当想到这个诗人的时候脑海就会浮现他的图像。

耶鲁公开课 - 现代诗歌课程节选

So that was one interesting question that came up, so keep this in mind if you're wondering about this idea of chords.

这样就有了一个有趣的问题，将这个关于和弦的疑问保留在脑海里。

耶鲁公开课 - 聆听音乐课程节选