关于fins的百科

• pelvic fins造句怎么写

• Elongatedmostlyscalelessmarinefisheswithlargepectoralfinsandreducedpelvicfins.Smalltadpole-shapedcold-waterfisheswithpelvicfinsformingasucker;relatedtolumpfish.Flyingfishrelyonasimilarflowofacceleratedairfromtheirpectoralfinstoprovidelifttotheirsmall...
• 2017-04-039158