名词 rodent:

1. relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing

rodentn.啮齿动物adj.啮齿目的rodenticiden.减鼠剂；杀虫剂rodentproofadj.防蚀的Rodent harm鼠害Rodent pests害鼠Rodent Fleas多毛蚤(蚤目,多毛蚤科)rodent hosts鼠形动物rodent proofadj.防蚀的rodenticides鼠药rodent ulcer皮肤基底细胞癌,侵蚀性溃疡rodent repel鼠忌避剂

1. Hawks prey on rodents and small birds.
   鹰捕食啮齿动物和小鸟。
2. Save the mice, release the rodents.
   拯救老鼠，释放啮齿动物。