单词	儊
释义	儊chùrough and rugged
随便看	activation model of memory activation-- neutron activation number activation of calcium activation of filament activation of homing activation of soil enzyme activation order activation overpotential activation overvoltage activation pointer activation polarization activation procedure activation process activation processor activation product activation pulse generator activation-pulse generator activation rate activation record activation record--ar activation record template activation record，ar activation request activation-- resonance