They train dogs to do tricks, or keep pigeons to race and carry messages.

他们训练狗耍把戏，或者养鸽子参加比赛和传送信息。

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They also carry messages in the other direction, from the brain to the muscles.

它们也把信息传递到其它方面，如从大脑传递到肌肉。

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And it was only after the invention of the telegraph that we understood that our nerves carry messages, just like wires.

电报发明以后，我们才理解人类的神经系统和线路一样输送信息。

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Irem Tumer said she would carry home two messages from the Girls 20 Summit.

VOA: special.2010.06.24

They are phones that search the Web, send messages and carry out applications.

VOA: special.2010.01.26

This chemical is a neurotransmitter: its molecules carry messages from one nerve cell to another.

ECONOMIST: Addiction

But Ron Paul, Rick Santorum and Mitt Romney are all using Facebook to carry messages about their values.

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The most interesting area, though, is the interaction between perfumes and natural scents that carry messages but do not have the specific properties of pheromones.

ECONOMIST: Perfume science