目前，30%的爬行動(dòng)物、鳥(niǎo)類和魚(yú)類面臨滅絕的危險(xiǎn)。30 percent of reptiles, birds, and fish are currently threatened with extinction.牛奶、油性魚(yú)類和雞蛋都含有維生素D.Milk, oily fish and egg all contain vitamin D.彼得·福雷是自然歷史博物館魚(yú)類化石展廳的負(fù)責(zé)人。Peter Forey is curator of ...