直立,末端向前,首尾连接。
鳐鱼科,包括黄貂鱼和灰鳐,通过击打鳍的末端向前游动。
Fish of the family Rajidae, which includes stingrays and skate, swim by flicking the outer edges of their fins.
鳐鱼科,包括黄貂鱼和灰鳐,通过击打鳍的末端向前游动。
Fish of the family Rajidae, which includes stingrays and skate, swim by flicking the outer edges...
应用推荐