英語翻譯
原文：
Many animals have an excellent sense of smell,which they use inhunting.On the other hand,their eyesight may be poor.Dogs,for example,havepoor eyesight and no color vision.They see only shades of gray.But a dog’ssense of smell is extraordinary.
The kind of dog known as Alsatian has 220 million olfactory(嗅覺的) cells.Man has five million.Scientists believe that the Alsatian is one million times better than man infinding out odors.
The human sense of smell,however,is really quite good.The averagehuman being can distinguish more than 10000 different odors.
翻譯句子：
1.Many animals have an excellent sense ofsmell,which they use in hunting.
2.Scientists believe that the Alsatian isone million times better than man in finding out odors.