Guano

['gwɑːnəʊ] or ['ɡwɑno]

解释:

(noun.) the excrement of sea birds; used as fertilizer.

编辑:默里--From WordNet

解释:

(n.) A substance found in great abundance on some coasts or islands frequented by sea fowls, and composed chiefly of their excrement. It is rich in phosphates and ammonia, and is used as a powerful fertilizer.

录入:温德尔