They always appear in pairs, don't they?

它们总是成双出现，对吧？

Pigeons live in pairs, and the mates are very fond of each other.

鸽子是成双成对地生活, 彼此非常恩爱。

They are easy to learn and are usually danced in couples.

这些舞蹈很容易学会，通常都是成双成对地表演。

The others paired off as before, and this arrangement left Jo companionless.

其余人各自成双结对，样，只剩下乔无人陪伴。

2 pair out on a Friday night, coupled. Yeah, a double date.

两对情侣在周五晚上出玩玩，成双成对。是，四人约会。

I thought I was done getting lucky tonight. So, when are you thinking of moving?

我真没想到今晚能" 好事" 成双啊，所以你计划什么时候？

They walked or danced around a cake in pairs, and the best couple won the cake.

他们成双结对地围着蛋糕走或者跳舞，跳最棒对赢得蛋糕奖励。

When your wife dies, it must be depressing to see other people in a loving relationship.

谁妻子死了 看见成双成对幸福 心里都会不舒服。

This month, a lot of Americans are talking about pairs or doubles – words relating to the number two.

这个月，很多美国人都在谈论成双（pairs）成对（doubles）——与数字2有关单词。

To find out, researchers had participants pair off and walk together, either in synch or just at their natural pace.

为了探究竟，研究人员让参与者们成双结对并且起行走，要么同步，要么随性。

When did everybody stop smoking? When did everybody pair off?

什么时候大家都成双成对了？

Your dad's happily married with two kids.

反而是你爸婚姻幸福儿女成双。

This is what I miss about being in a couple.

所以很怀念以前成双入对日子。

I think it would be half as much fun alone.

我以为 独自人定然比不上成双成对。

Walk of shame, party of two.

蒙羞之旅 二人成双。

Though she was bent almost double, she was as spry as a gopher.

虽然她弯得几乎成双了， 但她像地鼠样活泼。

974.two by two, to the jungle rhythem.

成双成对地, 和着丛林节奏。

Everywhere people were standing in twos.

所有宾客都成双成对。

I thought I was done getting lucky tonight.

我真没想到今晚能" 好事" 成双啊。

That's two of everything, four of some things.

所有东西都成双成对 些是由4个组成。