The swallow is showing its young how to fly.

老燕正在教雏燕学飞.

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The swallow is a forktailed bird.

燕子是一种尾巴开叉的鸟.

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The swallow is sweeping across the sky.

(秋天来了,南飞的)燕子从天空中优雅地飞过.

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Look! How busy the swallow is!

瞧! 这燕子多忙啊!

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The swallow is swift in flight.

燕子飞得很快.

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Student: The swallow is beside the sparrow and the sparrow is beside the swallow.

学生: 燕子旁边的就是麻雀,麻雀旁边的就是燕子.

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