家禽饲养场有数不清的鸡鸭。

There are ducks and hens without number on the poultry farm .

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在家禽饲养场周围种植树木可以改善空气和水的质量，邻居也可以呼吸到新鲜空气。

Planting trees around poultry farms can improve air and water quality and please the noses of neighbours.

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科学家已证实在家禽饲养场周围只需种植三排树木就可以减少灰尘和氨的释放，并还可以减少氨气的浓烈气味。

Scientists have shown that three rows of trees around the poultry houses can reduce the release of dust and ammonia. Trees can also reduce the strong order of ammonia gas.

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