单词	rivulus
释义	rivulus /ˈrɪvjʊləs / noun A small tropical American killifish of fresh and brackish water. Genus Rivulus, family Cyprinodontidae: several species, many of which are spotted. Origin Modern Latin, from Latin, literally 'small stream'.
随便看	widespread widgeon widger widget widgie widish Widnes widow widowbird widower widowhood widow-maker widow's cap widow's cruse widow's mite widow's peak widow's walk widow's weeds width widthways widthwise wield wielder wieldy Wien

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