演变: to develop, to evolve, development, evolution...
游: to walk, to tour, to roam, to travel...
屏幕: screen (TV, computer or movie)...
酒精: alcohol, ethanol CH3CH2OH, ethyl alcohol, also written, grain alcohol...
射: to shoot, to launch, to allude to, radio- (chemistry)...
出土: to dig up, to appear in an excavation, unearthed, to come up out of the ground...
默默: in silence, not speaking...
忙活: to be really busy, pressing business...
有限: limited, finite...
人格: personality, integrity, dignity...