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heterocercal fin的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
Noun:
-
a tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks
heterocercal fin的用法和樣例：
例句
- The lower lobe of the deeply forked caudal fin is longer than the upper lobe.
尾鰭深叉型，下葉比上葉長(cháng)。 - Old World freshwater catfishes having naked skin and a long anal fin more or less merged with the eellike caudal fin.
東半球的淡水鲇魚(yú)，體表無(wú)鱗，有類(lèi)似鰻魚(yú)尾鰭的很長(cháng)的臀鰭。
