dispersal1[dai'spə:səl]n.1.■【生理学】双精受精[参较monospermy,polyspermy] dispersal2[dis'pə:səl]n.1.■疏开,疏散,分散,驱散;散布;传播2.■消失;消散3.■(机场周边的)疏散机场(为防空袭而建)4.■[the dispersal]=Diaspora