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。
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。
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.