pelvic fin

常见例句

Prepelvic length From the base of the anteriormost pelvic fin ray to the anteriormost point on the head (snout or upper lip).
腹鳍前的长度从腹鳍最前面鳍条的基底到头部(吻部或上唇)最前面的端点。
The fanning movements with the pelvic fins are sporadic.
变径动作与腹鳍,是偶发事件。
Most species are small bottom dwellers with a weak suction cup formed by the fusion of their pelvic fins.
大部分为底栖鱼,特征是具一个由腹鳍愈合而成的吸力不强的吸盘。
Any of numerous usually small spiny - finned fishes of the family Gobiidae, having the pelvic fins united to form a suction disk.
?虎鱼?虎鱼科的一种通常小的带棘鳍的鱼，具有聚合成吸盘的腹鳍
Two-winged species have only the pectoral fins enlarged; four-winged species have Both the pectoral and the pelvic fins enlarged.
有些种类具双翼而仅胸鳍较大,有些则有四翼,胸、腹鳍皆大。
Any of numerous usually small spiny-finned fishes of the family Gobiidae, having the pelvic fins united to form a suction disk.
鰕虎鱼鰕虎鱼科的一种通常小的带棘鳍的鱼，具有聚合成吸盘的腹鳍