Rainbows also have a red or pink streak that runs from the gill cover to the caudal fin, inspiring their name.

虹鳟体侧有从腮盖到尾鳍的红色或粉红条带，正如它们的名字。

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Rainbows also have a red or pink streak that runs from the gill cover to the caudal fin, inspiring their name.

虹鳟体侧有从腮盖到尾鳍的红色或粉红条带，正如它们的名字。

youdao