我打算给自己买双新鞋。

I'm going to treat myself to a new pair of shoes.

《牛津词典》

去年他穿坏了两双鞋。

He wore out two pairs of shoes last year.

《牛津词典》

她绊了一跤摔倒了，擦伤了双掌和双膝。

She stumbled and fell, scraping her palms and knees.

《柯林斯英汉双解大词典》

So let me challenge you with this: inside of these curly braces where I have put a comment with slash slash -- a "comment" means nothing here gets compiled, it's just for the human to read.

让我用这个来挑战你们：,在这些花括号里面，我通过双斜杠写入了一个注释,-一条“注释“在这里不会被编译,它只是用来我们阅读的。

哈佛公开课 - 计算机科学课程节选

There's one more piece that we'd like to get out of that, and that is-- you may have been wondering, what's with the funky stuttering here of three double-quotes in a row. All right? And that is a specification.

但是你没有屏蔽这个函数的使用细节,在这里我们还想再讲一讲,那就是--你可能正在想,这里连续3个奇怪双引号,是干什么用的。

麻省理工公开课 - 计算机科学及编程导论课程节选