Frey, S., Ellis, J., &Many, W. (1973), A self concept scale for adolescents, Journal of the Association for the Study of Perception, 8(11), 10-28.是什么意思_Frey, S., Ellis, J., &Many, W. (1973), A self concept scale for adolescents, Journal of the Association for the Study of Perception, 8(11), 10-28.在线翻译_英语_读音_用法_例句