Pigeon droppings are vital to a local industry.

鸽子粪对于当地的一项工业至关重要。

The pigeon droppings give the skins a softness no man-made chemical can produce.

鸽子的排泄物可以大大软化皮料，这是任何人造化学品都比不上的。

The leather here is famed for its softness, and the pigeon droppings are a secret ingredient.

这里生产的皮革因质地柔软而出名，鸽子粪便就是这秘方之一。

Wild pigeon droppings contain an enzyme which eats at the protein in the animal skin, softening it up.

野生鸽子粪含有一种特殊的酶，可以分解动物毛皮中的蛋白质，起到软化作用。

Well, the ancient Greek medic Hippocrates recommended a mixture of pigeon droppings, mixed with horseradish, cumin and nettles liberally applied to the pate.

好吧， 古希腊医生希波克拉底推荐将鸽子粪便与辣根、孜然和荨麻混合均匀地涂在头上。