Rodentia
嚙齒目
Ro·den·tia /roˈdɛnʧə, ˈdɛntɪə/ 名詞 複數
Ro·den·ti·a n. pl. Zool. An order of mammals having two (rarely four) large incisor teeth in each jaw, distant from the molar teeth. The rats, squirrels, rabbits, marmots, and beavers belong to this order.
Note: ☞ The incisor teeth are long, curved, and strongly enameled on the outside, so as to keep a cutting edge. They have a persistent pulp and grow continuously.
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Rodentia
n : small gnawing animals: porcupines; rats; mice; squirrels;
marmots; beavers; gophers; voles; hamsters; guinea pigs;
agoutis [syn: order Rodentia]