“pelvic fin”造句，怎麼用pelvic fin造句

5、Elongated mostly scaleless marine fishes with large pectoral fins and reduced pelvic fins.

7、clumsy soft thick-bodied North Atlantic fish with pelvic fins fused into a sucker; edible roe used for caviar.

1、This faster-moving air provides the pelvic fin with additional lift.

3、large ferocious northern deep-sea food fishes with strong teeth and no pelvic fins.

6、superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms.

2、Elongate fishes with pelvic fins and girdle absent or reduced.

8、Most species are small bottom dwellers with a weak suction cup formed by the fusion of their pelvic fins.

4、Small tadpole-shaped cold-water fishes with pelvic fins forming a sucker; related to lumpfish.