Nesting : brings another desired feature to CSS : nesting selectors inside others instead of having to unroll the nesting into several top level selector definitions .

内嵌：这个功能将另外一个急需的特性加入CSS：将选择器嵌入到其他等级，而不是不得不 取消在一些高级选择器定义中嵌套。

I unrolled my sleeping bag as usual

我像往常一样 铺开我的睡袋。

Unroll a yoga mat in India climb boulders in Colorado learn tai chi moves in China or woo potential suitors with flamenco moves in Spain . Its a great way to learn about a different culture while getting fit .

在印度 铺开瑜伽垫，在科罗拉多攀登巨石，在中国学太极拳，或是看看有没有合适的人，说服他一起去西班牙学弗拉门戈。这样既可以了解不同的文化又能减肥。

This loop is so simple that we can unroll the loop and take a look at exactly what is happening

这个循环比较的简单，我们可以把 它 展开并看看究竟发生了什么事情

Unroll the arm to rest the forearm and hand completely on the floor .

展开手臂将前臂和手都放在地板上。

I used one unsupported list comprehension in my code which I had to unroll into a regular for loop .

在代码中，我使用了一个不支持的列表，将其 放入一个普通的for循环。

Conclusions The key factor of successful operation is to unroll and flatten the flap of GRTs completely .

结论巨大视网膜裂孔手术成功的关键是术中应完全展平 翻转的瓣。

Next pull on both lines which will allow the nose to rotate forward and unroll through the lines so you can fly off .

下一步，拉双线，这将让机头 向内 翻转并 随线 解 绕，这样你就可以飞离了。

Software pipelining and loop unroll are two kinds of important optimized compile technique to develop loop parallelism .

软件流水和循环 展开是开发循环并行性的两种重要编译优化技术。

Guests bring movies on tape and show them on the screen that unrolls from the ceiling .

客人带来了录影带，并在从天花板上放下来的 幕布上放映。

One popular teen-agers'Halloween trick was to unroll a roll of toilet paper and throw it high into a tree again and again until the tree was all wrapped in the white paper .

还有一个流行的万圣节花招是 把一卷 手纸拉开，不停地往树上扔，直到树全被白纸裹起来。

Position the turf at one side and then unroll the lawn to the preferred length and trim .

草坪的立场，在一方，然后 套草坪到首选的长度和修剪。

If you are just learning how to put on a condom and do not plan to have sex with the condom however you can simply flip the condom over and then unroll it .

但是，如果你只是正在学习如何佩戴避孕套，并且并不打算佩戴避孕套发生性行为的话，你只需 轻打下避孕套，然后 将其 展开。