dorsal fin

常见例句

双语例句

• Its sail-like first dorsal fin provides stability while swimming.
  帆状的第一背鳍在游动时提供了稳定性。
• 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。
• Witnesses reported seeing a dorsal fin and thrashing in the water before the sea turned red and the man vanished at the scene on Australia's west coast.
  目击者称看到有鲨鱼背鳍在水面上时隐时现，后来发现海水变成红色，而那名男子也从澳大利来西海岸上消失了。

权威例句

• The star of the show is a whole rouget, served dorsal fin upward as if the fish were still swimming.
  NEWYORKER: Rouge et Blanc
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