剑桥词典a large Australian bird with a long neck and grey or brown feathers . Emus cannot fly but have long legs and can run quickly . （産於澳大利亞的）鴯鶓 Emus grow to almost two metres and can run at nearly 50 kph . 鴯鶓可以長到差不多兩米高，奔跑時速幾乎可達50公裡。 返回 emu