音标:[ˈdɔ:səl fin] ;
n. 背鳍
词型变化:名词复数形式 : dorsal fins

dorsal fin的用法和样例:

例句

用作名词(n.)
  1. The shark's fin sliced the water.鲨鱼的背鳍像刀样迅速划破水面。
  2. Now he speeded up as he smelled the fresher scent and his blue dorsal fin cut the water.那条鲨鱼闻到了新鲜的血腥味,正加速航行,蓝色的背鳍在水中划过。

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