And the soap - not dirty birds at all.

还有肥皂 - 根本不是脏鸟。

Pigeons are often seen as dirty birds and an urban nuisance, but they are just the latest in a long line of animals that have been found to have abilities to help humans.

鸽子经常被认为是很脏的鸟类和城市公害，但它们最近刚刚被列入有能力帮助人类的动物行列中的一员。