abdominal air sac造句
- The male has distinctive genitalia and a loud and complex call generated by the frequent buckling of ribbed tymbals and amplified by abdominal air sacs.
- The rest of this diagram shows the air sacs and other parts of a bird's respiratory system : 1 cervical air sac, 2 clavicular air sac, 3 cranial thoracal air sac, 4 caudal thoracal air sac, 5 abdominal air sac ( 5'diverticulus into pelvic girdle ), 6 lung, 7 trachea
- It's difficult to find abdominal air sac in a sentence. 用abdominal air sac造句挺难的