Large elongate scale less oceanic fishes with sharp teeth and a long sail-like dorsal fin.

细长的大型海生无鳞鱼，有尖牙和船帆形的长背鳍。

youdao

Large elongate scale less oceanic fishes with sharp teeth and a long sail-like dorsal fin.

细长的大型海生无鳞鱼，有尖牙和船帆形的长背鳍。

youdao