Bird Flu can spread easily —a____birds

Bird Flu can spread easily —a____birds Bird flu中文翻译 keep away from bird flu H5N1 Bird Flu can result in death unless left ____ in time. The H7N9 bird flu is a disease ______ can be very dangerous. Chickens can get bird flu(禽流感） from the feces of the p_____ 2.—Bird flu（禽流感）is still very serious in some countries. how to protect ourselves from bird Flu bird flu 是怎么得的? 关于bird flu的英文对话 禽流感为什么被译成bird flu? what is "Bird Flu" in Chinese?