她把它打开，读着里面的小纸条：“如果你努力练习，你会学到很多东西。”

She broke it open and read the small note inside, "If you practice hard, you will learn many things."

youdao

打开后，他只发现了一个小橡胶娃娃。

After he opened it, all that he found was a little rubber doll.

youdao

我打开后车箱，取出小旅行箱，把它放到门口。

I opened the trunk and took the small suitcase to the door.

youdao

Imagine I have a little lamp, a little goose- one of those little gooseneck lamps, I'd put it on the table here, I'd put the height about a f-- about a foot off the table. And if I was really good, - I could hit, or time it so that when I hurt- yeah, try again. When I turn this on switch on in the lamp, at exactly the same time, I'm going to hit a key on my computer and start it running.

想象下我有一个那种小雁颈台灯-,我把它放在桌子上，大概离桌子，有一英尺那么高吧,这样挺好的，我可以打开-,或者关闭这灯,并在这同时，我可以让我电脑,开始运行。

麻省理工公开课 - 计算机科学及编程导论课程节选