They always appear in pairs, don't they?

它们总是成双出现，对吧？

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。

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

两对情侣在周五晚上出去玩玩，成双成对的。是的，四约会。

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

鸽子是成双成对地生活的, 彼此非常恩爱。

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搬？

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

其余的各自成双结对，跟过去一样，只剩下乔无陪伴。

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，跳的最棒的一对赢得蛋糕奖励。

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

谁的妻子死了 看见成双成对的幸福 心里都会不舒服的。

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

这个月，很多美国都在谈论成双（pairs）成对（doubles）——与数字2有关的单词。

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

为了一探究竟，研究员让参与者们成双结对并且一起行走，要么同步，要么随性。

Each fibre comes in a pair and each fibre pair, at a conservative estimate, can transmit 150 million simultaneous phone calls.

每根纤维都是成双出现的，根据保守的估计，每一对纤维可以同时传输 1 亿 5 千万部电话的通话。

I am not sure if Martha and Jem looked more radiant in the afternoon, when they, too, made their first appearance.

我不确定玛莎和杰姆在那天下午是否看起来比霍金斯夫妇更加容光焕发，那时他俩首次成双成对地出现。

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

虽然她弯得几乎成双了， 但她像地鼠一样活泼。

This is what I miss about being in a couple.

所以很怀念以前成双入对的日子。

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.

所有的东西都成双成对 一些是由4个组成。

I think it would be half as much fun alone.

我以为 独自一定然比不上成双成对。

And speaking of ''one aIone''... CharIotte sat in the theater surrounded by coupIes...

说到一个，夏绿蒂正坐在 尽是成双入对的剧场里。

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

什么时候大家都成双成对了？

974.two by two, to the jungle rhythem.

成双成对地, 和着丛林的节奏。