What insects have one pair of wings? What insects have two pairs of wings?
什么昆虫有一对翅膀，什么昆虫有二对翅膀？
Seriously, I only have one pair of shoes because I only have one pair of feet.
说真的，我只有一双鞋，因为我只有一双脚。
You only have one pair of eyes so take care of them.
眼睛只有一双，所以要保护好眼睛。
不是一条——是几条。
Owns at least one pair of black lace-up shoes.
至少有一双黑系带鞋。
You cannot have more than one pair inside the container.
您在容器中至多可以有一对。
You need more than one pair of shoes, but not too much more.
一双鞋不够，但是也不能太多。
Thus, one pair of CSV values is stored as a single line in the file.
这样，一对CSV值就存储为文件中的一行。
I recetly purchased two pairs of shoes and the purse that matched one pair.
我最近买了两双鞋，并买了一个能搭配其中一双鞋的提包。
Draw one pair of parallel lines first, followed by the others to complete the shapes.
首先画两条平行线，然后再画出其他的完成图形。
I hope I have one pair of wings, I hope I have one pair of wings, I hope I have one pair of wings!
我希望我有一对翅膀，我盼望我有一对翅膀，我渴望我有一对翅膀！
He has one pair of glasses on the top of his head. And another pair on a piece of cord around his neck.
一副眼镜支在他的脑门上，还有一副用绳子挂在他的脖子上。
In figure 3, one pair of groups used 400 MB mail files, and the other pair used 1000 MB mail files.
在图3中，两组用户使用400MB的邮件文件，另外两组用户使用1000 MB的邮件文件。
To make the shaft turn, the muscles work in concert, rhythmically contracting, one pair after another.
为了使传动轴转动，所有肌肉必须协调一致，一组接一组有节奏地收缩。
'I'm just buying one pair because that's all I can afford,' she said. 'I also need clothes, dishes, everything.'
她说，“我的钱只够买一双，我还需要衣服、盘子以及所有的一切。”
In a team event, when one side gains a sizable swing, it is usually because one pair did something especially meritorious.
队式赛中，某一方如果一副牌上获得不寻常的大得分时，通常是由于其中的一对选手做了特别值得让人称赞的选择。
The class's eight methods are made up of four pairs of methods, one pair for each of the different UDDI entities that can be published.
这个类的八个方法由四对方法组成，每一对用于一个可以发布的不同的UDDI实体。
However, where people often go wrong with this is to assume that if this works between one pair of layers, it would work well between another.
然而，人们经常在这一点上犯错误的地方是假定，如果这在一对层之间有效，那么它将会在另一对层之间同样有效。
Once worn only at the beach, flip-flops have become the regular summer footwear of choice for many, with one in five women owning at least one pair.
人字拖原本只在沙滩上穿，而现在一到夏天，人字拖很常见，成了许多人的穿鞋首选。女性中五分之一的人就至少有一双人字拖。
One fine afternoon I was walking along Fifth Avenue, when I remembered that it was necessary to buy a pair of socks. Why I wished to buy only one pair is unimportant.
一个晴朗的下午，我沿第五大街而行，忽然想起需要买双袜子。
The Listing 7 cxf-client.xml defines two pairs of properties file and usernames, one pair for use in signature processing and the other for use in encryption processing.
清单7 所示的cxf-client.xml定义了两对属性文件和用户名，一对用于签名处理，另一对用于加密处理。
Scientists then took two pairs of attached beads, one pair glued together and the other separable, and demonstrated that both pairs activated the machine when laid on the box.
接着，科学家们拿出两对附着一起的珠子，一对儿用胶水粘在一起，另一对儿是可分开的，并演示这两对儿放在盒子上时都可引发机关。
After scientists showed the four crows a series of colour photographs of humans with their hair concealed, one pair was trained to pick men's faces and the other pair women's faces.
研究人员给四只乌鸦观看人的一组彩色照片，但把头发隐藏起来，训练一对乌鸦挑选男人照片，另一对乌鸦去选女人照片。
After scientists showed the four crows a series of colour photographs of humans with their hair concealed, one pair was trained to pick men's faces and the other pair women's faces.
研究人员给四只乌鸦观看人的一组彩色照片，但把头发隐藏起来，训练一对乌鸦挑选男人照片，另一对乌鸦去选女人照片。
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