dorsal fin

单词dorsal fin

基本解释

na.: 脊鳍
网络: 背鳍；脊翅；垂直尾翼前尾鳍

英汉解释

• 航向稳定鳍

• 背鳍

例句

• Buck admitted being pulled along by the dolphin by grabbing hold of its dorsal fin and Jukes said he had stroked its belly.

  巴克承认藉由抓住海豚的尾鳍，被牠拖曳而行，裘克斯则说他抚摸牠的肚腹。

• Long and slender with a dorsal fin the length of its body, the oar fish resembles a snake.

  长且薄，带着一条跟其身体一样长的背鳍，它们看上去像一条蛇。

• Cymbospondylus had no dorsal fin and its tail was long like an eel"s.

  杯椎鱼龙没有背鳍，尾部像鳗鱼一样扁长。

• any of various food and sport fishes of the United States Atlantic coast having an elongated body and long spiny dorsal fin .

  生活在美国大西洋沿岸、身体细长且长有长长背鳍的多种食用和猎用鱼。

• Any of several whales of the family Balaenidae, characterized by a large head, whalebone plates in the mouth, and absence of a dorsal fin.

  露脊鲸：露脊鲸科中的几种鲸，特征为头部硕大、嘴边长有鲸须而无背鳍。

• Some wag had named her after a small black hole in her dorsal fin which looked, to him, like a cigarette burn.

  而一些人则开玩笑地称她为“黑洞”，原因是她背鳍上面有一个小黑窟窿，好像是被烟头烫过似的。

• They are cobalt-blue on top and silvery-white below, with a pronounced dorsal fin and a long, lethal, spear-shaped upper jaw.

  它的顶部是钴蓝色，下面和银白色；有着明显的背鳍，还有着长长的、能致命的矛状上颚。

• Any of various brightly colored tropical Pacific scorpion Fishes of the genus Pterois, having venomous spines in the dorsal fin.

  蓑一种太平洋赤道地区产蓑属色彩鲜艳的锯鱿鱼，背鳍上有毒刺

• A primitive, bony freshwater fish(Amia calva)of central and eastern North America, with a long, spineless dorsal fin.

  弓鳍鱼北美洲中部和东部的一种原始、多骨的淡水鱼（弓鳍鱼弓鳍鱼属），具有长的无脊的背鳍

• The dorsal fin acts as a keel, giving the dolphin some stability as it swims.

  作为龙骨的背鳍，因为它使一些稳定海豚游泳。