1. Small large-eyed semiaquatic salamander of the United States northwest.
美国西北部大眼半水栖的小型蝾螈。
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2. Well adapted to wetland environments, these antelope typically feed on the delta's semiaquatic grasses.
很好地适应湿地环境，这些羚羊一般用三角洲的半水生的草喂养。
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3. 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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4. 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.
