对人类寿命的人为的延长the artificial prolongation of human life人为的语言缺乏生命力.An artificial language has no vitality.建筑物因人为的肆意破坏及日晒雨淋而日益破败。Buildings are left to decay at the mercy of vandals and the weather....

“人为的”的英语可以翻译为：factitious，pat，[法] artificial，contrived，man-made ...