costal brace造句

例句与造句

1. Because of some very primitive character states, the Coxoplectoptera rather looked like early Paleozoic ancestors of mayflies, e . g . in the wing venation of the adult stage they still had the elongate costal brace that is not fused to the costal margin, and in the larval stage they still had articulated lateral wing pads.
2. Within synapomorphies, such as : adult wing venation with costal brace ( absent in other winged insects ), larvae with 7 pairs of abdominal gills ( compared to still 9 pairs in Permoplectoptera like " Protereisma " larvae ), and with single-segmented tarsus with unpaired claw ( compared to 3-segmented tarsus with paired claw in Permoplectoptera like " Protereisma " larvae ).
3. It's difficult to find costal brace in a sentence. 用costal brace造句挺难的