| 释义 |
pelvic fin ˈpelvɪkfin 短语¹⁴⁴⁹⁷²⁺²
基本英英近义反义例句
n.腹鳍
Noun:
either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs of a land vertebrate近义词 ventral fin鱼腹鳍
In each type, fish body may produce varied changes and form some appendages, such as oral disk, pelvic fin disk and thorax disk.
在各种类型中，鱼体上又有不同的形态结构产生。 www.scdwzz.com.cn
This faster- moving air provides the pelvic fin with additional lift.
这快速流动的气流为腹鳍提供了额外的升力。 ecocn |