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That the constant droppings wear away a stone is not for their force but persistence spirit.
滴水穿石不是靠力,而是因为不舍昼夜(靠坚韧精神).
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Avoid touching birds and poultry, especially their droppings, which may carry the avian flu virus.
避免接触鸟和家禽, 特别是它们的粪便(可能有禽流感病毒).
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不然，到摩洛哥费兹的皮革工厂踩著兽尸的毛皮，顺便站在深度及腰的鸽粪堆里试试。
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