actinofibrils造句

• The function of the actinofibrils is unknown, as is the exact material from which they were made.
• The actinofibrils themselves consisted of three distinct layers in the wing, forming a crisscross pattern when superimposed on one another.
• The outer wings ( from the tip to the elbow ) were strengthened by closely spaced fibers called " actinofibrils ".
• Unlike the other wing membranes, cr / uropatagia were fairly simple, generally lacking the specialised tissues like actinofibrils, so they're less well preserved.