They marched out singly or in pairs.

他们一个一个地或成双成对地走出去。

He wore out two pairs of shoes last year.

去年他穿坏了两双鞋。

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。

He bought two pairs of shoes.

他买了两双鞋。

Together they sold 30 pairs.

他们两个共卖30双鞋。

They are all sold in pairs.

他们都成对卖。

It has three pairs of legs.

它有三双腿。

Can you find two pairs of trainers?

你能找到两双运动鞋么？

There are five pairs to choose from.

有五双可供选择。

She knitted her son 5 pairs of socks.

她给儿子织了5双袜子。

OK, I'll take 5 pairs.

好，那给我拿5双。

It sells in pairs.

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。

We practiced English conversation in pairs so that both of us can make progress.

我们两人一组练习英语对话，这样我们两个人都能进步。

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。

It has three pairs of legs, each ending in a large claw.

它有3对腿，每条腿的末端都有一个大爪子。

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。

I have two pairs of pajamas.

我有两套睡衣裤。

Students practice in pairs.

学生展示对话。

They always come in pairs.

他们总是成对地出现。

Do the exercises in pairs.

两人一组做练习。

Chopsticks come in pairs.

筷子都是成双的。

These birds fly in pairs.

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。

Shoes are sold in pairs.

鞋子是成双出售的。

How many pairs of jeans do you need?

需要多少条牛仔裤？

Please have a conversation in pairs.

请两人对话。