pelvic fin

基本解释

• [鱼] 腹鳍

同根派生

• pelvic fin相关词

英汉例句

• 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。

• pelvic fin更多例句

词组短语

短语

• pelvic c fin 腹鳍
• Pelvic Fin Posterior Margin 腹鳍后缘
• Pelvic fin inner margin 腹鳍内缘
• origin of pelvic fin 腹鳍起点
• pelvic fin length 腹鳍长

• pelvic fin更多词组

英英字典

柯林斯英英字典

• either of a pair of fins attached to the pelvic girdle of fishes that help to control the direction of movement during locomotion

• pelvic fin剑桥字典
• pelvic fin柯林斯字典

专业释义

农业科学

• 腹鳍

生物学

• 腹鳍