dorsal-fin

基本解释

• 背鳍

同根派生

英汉例句

• The shark's dorsal fin was cut off by the fisherman.
  鲨鱼的背鳍被渔夫割了下来。
• The shark's dorsal fin was cut offby the fisherman.
  鲨鱼的背鳍被渔夫割了下来。
• His dorsal fin was down and his huge pectorals were spread wide.
  它的脊鳍朝下耷拉着，巨大的胸鳍大张着。
• The dorsal fin is ornamented with these two colours.
  空气垂直舵由这两色装饰。
• The second dorsal fin, near the tail, is much smaller.
  靠近尾巴处的第二条背鳍要小得多。