river dolphin

短语

[网络] 江豚;淡水豚;鲸豚家族中也有河豚

词形变化

river dolphins 复数 river dolphins

释义与例句

n.
  1. 1.

    Any dolphin that is found only in fresh or brackish water, now considered in one of three superfamilies Platanistoidea, †Lipotoidea, Inioidea, all in parvorder Odontoceti or in a grouping with hippopotamuses.

    生物 动物学

词汇关系

名词

上位词 1