They fly up into the sky.

她们飞向天空。

youdao

They were designed to fly at speeds up to six thousand four hundred kilometers an hour.

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With their wings beating up to 80 times a minute and their hearts beating hundreds of times a minute, they fly up, down, forwards and even upside down and backwards.

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As bees fly, they generate up to 450 volts of static electricity, which causes pollen grains to jump on.

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European critics have said the current deal offers greater advantage to U.S. carriers by allowing them to operate within the EU. An American airline can, for example, fly from New York to London, where they could pick up passengers and then fly to Germany.

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