用“pelvic fin”造句大全,pelvic fin造句
1、This faster-moving air provides the pelvic fin with additional lift.
4、Small tadpole-shaped cold-water fishes with pelvic fins forming a sucker; related to lumpfish.
7、clumsy soft thick-bodied North Atlantic fish with pelvic fins fused into a sucker; edible roe used for caviar.
3、large ferocious northern deep-sea food fishes with strong teeth and no pelvic fins.
8、Most species are small bottom dwellers with a weak suction cup formed by the fusion of their 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.
5、Elongated mostly scaleless marine fishes with large pectoral fins and reduced pelvic fins.