They marched out singly or in pairs.
他们一个一个地或成双成对地走出去。
He programmed his computer to compare the 1,431 possible combinations of pairs in this population.
他给他的计算机编了程来比较这些人中1431种可能的成对组合。
他们两个共卖30双鞋。
She knitted her son 5 pairs of socks.
她给儿子织了5双袜子。
它成对出售。
In 1963 he received his first shipment of Tiger shoes, 200 pairs in total.
1963年，他收到了总共200双的他的第一批虎鞋。
Astronomers suspect that pairs of planets also engage in this slingshot activity, leaving them in disturbed, elliptical orbits.
天文学家怀疑成对的行星也参与了这种弹弓活动，使它们处于不规则的椭圆轨道上。
But there was a problem: transits of Venus, unlike those of Mercury, are rare, occurring in pairs roughly eight years apart every hundred or so years.
但有一个问题：和水星凌日不同的是，金星凌日是罕见的，大约每隔一百年会成对出现八年的时间。
The elderly gravitate there, shuffling in cheerful pairs along Marine Parade or jogging in slow motion past the Sea Gull Café, intent on some distant goal.
被吸引到那里的老人们，或是成对欢愉地沿着马林百列缓步慢行，或是不紧不慢地经过海鸥咖啡店，要去往远处的某个地方。
Students worked in pairs on the project.
学生两人一组做这个项目。
A brief rummage will provide several pairs of gloves.
稍许翻一下就会找到几副手套。
How many pairs of socks does the woman take?
这位女士带了多少双袜子?
The two pairs of gloves from my grandma are full of love for the family.
奶奶送给我的两副手套，充满了对家人的爱。
Using his special methods of steam and press machines, he has recycled 32 million pairs of chopsticks.
通过使用专门的蒸汽方法和压力机，他已经回收了3200万双筷子。
She could feel hundreds of pairs of eyes looking at her, and that made her feel afraid.
她能感觉有几百只眼睛在看着她，这让她感到害怕。
Even numbers, except four, are better than odd-as good things are believed to come in pairs.
偶数，除了4，都比奇数好，因为人们相信好事成双。
Hu Shuqing, 51, from Henan Province, has spent many years collecting more than 10,000 pairs of the shoes.
来自河南的51岁的胡书清花费数年收集了1万多双这样的鞋子。
What I heard most often there was questions like "Shall we do the task in pairs?" and "Four students each group."
在那里我最经常听到是诸如“我们将以小组形式做这个任务吗”此类的问题，和“每组四个学生”。
In a study published in Current Biology, researchers played pairs of made-up words and their supposed meanings like "guga" means elephant, to sleep participants.
在《当代生物学》上发表的一项研究中，研究人员向睡眠参与者播放了几对虚构的单词及其假定的含义，如“guga”指大象。
In 2016, Felix Bock, a doctoral student at the University of British Columbia, Canada, found out people threw away about 100,000 pairs of chopsticks every day in Vancouver alone.
2016年，加拿大的英属哥伦比亚大学的博士生菲利克斯·博克发现，仅在温哥华，人们每天就会扔掉大约10万双筷子。
我有两套睡衣裤。
学生展示对话。
两人一组做练习。
筷子都是成双的。
这些鸟成双成对地飞。
Sometimes the pupils work in pairs.
有时学生两人一组学习。
The teacher lets students read the text in pairs.
老师让学生两人一组读课文。
Looking at rising and setting star pairs is a good technique.
观察上升和下降的星对是一个很好的技巧。
You shall work in pairs or groups to show the preview results.
你们要分组展示预习成果。
It was a big exhibition, a big art show that they had in Pairs every year.
那是一个很大的展览，是他们每年都会在巴黎举办的一个很大的艺术展。
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