| 释义 |
emu1 /ˈiːmjuː /nounA large flightless fast-running Australian bird resembling the ostrich, with shaggy grey or brown plumage, bare blue skin on the head and neck, and three-toed feet.- Dromaius novaehollandiae, the only member of the family Dromaiidae.
Ostriches, emus, cassowaries, rheas, kiwis, moas and elephant birds really are more closely related to each other than they are to any other birds....- Living relatives of moa include the emus, ostrich, and kiwi, which are members of a bird group called ratites.
- Ostriches and emus are primitive birds that have more in common with dinosaurs than more advanced birds like robins, Schweitzer said.
Origin Early 17th century: from Portuguese ema. The word originally denoted the cassowary, later the greater rhea; current usage dates from the early 19th century. emu2 /ˈiːmjuː /abbreviation British2Electromagnetic unit(s). EMU3 /iːɛmˈjuː /abbreviation1Economic and Monetary Union (or European Monetary Union). 2British Electric multiple unit (train). |