pelvic fin

单词pelvic fin

基本解释

na.: 【鱼】腹鳍
网络: 臀鳍

英汉解释

• 【鱼类】腹鳍

例句

• body covered with ctenoid scale, lateral line absent, two dorsal fins, pelvic fin fused to form elongated suction disc.

  体被栉鳞，无侧线，背鳍两个，腹鳍愈合成长吸盘状。

• pectoral-pelvic interspace Distance or area between pectoral-fin insertion and pelvic-fin origin.

  胸腹鳍间距胸鳍嵌入处与腹鳍起点之间的距离或区域。

• 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。

• 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。