emus
[鸟]鸸鹋(emu 的复数)
例句
Emus and kangaroos can't walk backwards.
鸸鹋和袋鼠不会后退。
There are more than 50 EMUs of this type in service.
有超过50的动车组在服务这类。
And ostriches and emus, too, are bare-necked-in their case to radiate away the heat generated when they run.
另外驼鸟和食火鸟也是光脖子的,它们这是为了加快释放奔跑过程中产生的热量。