They look -- maybe they look kind of prehistoric and unfinished, abridged perhaps, but in fact, in fact they are the -- they vie for the top position of the most evolutionarily-derived fish in the sea, right up there with flat fish.
它们看起来，或许它们看起来 有点史前，有点“未完待续”，或者说有点简略， 但事实上，事实上它们—— 是海洋中进化最彻底的鱼类之一， 更彻底的还有比目鱼。