invalidate
v. (对论点、声明或理论)驳斥,证明是谬误的;使无效,使作废
vt.使无效
aeromechanic buffo dextrose mesochroic parenthetic radiocompass septilateral下载迅蛙App
v. (对论点、声明或理论)驳斥,证明是谬误的;使无效,使作废
vt.使无效
aeromechanic buffo dextrose mesochroic parenthetic radiocompass septilateral