Roman influence became attenuated.罗马的影响减弱了。Radiation from the sun is attenuated by the earth's atmosphere.地球大气减弱了太阳辐射。Theirs had been an increasingly attenuated relationship.他们的关系日益冷淡。Parental authority has been attenuated somewhat in recent years.近年来父母的权力有所削弱。