Hydrochoerus
/ˈhaɪdroʊˈkɪərəs/ 21derived from the Greek words "hydro" (water) and "choiros" (pig)
noun [集合/集体]水豚属：包括水豚在内的一个属。
A large semiaquatic rodent(Hydrochoerus hydrochaeris)of tropical South America, having short limbs and a vestigial tail and often attaining lengths of more than1.2meters(4feet.
水豚一种巨大的半水栖啮齿动物（水豚），产于南美洲的热带地区，四肢短小，尾已退化，身体长达1。
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