柯林斯詞典rodent /?r??d?nt/ (rodents) 1. N-COUNT Rodents are small mammals which have sharp front teeth. Rats, mice, and squirrels are rodents. 嚙齒動物 返回 rodent劍橋詞典any of various small mammals with large , sharp front teeth , such as mice and rats 嚙齒動物（如老鼠等） 返回 rodent