Freysinger, V.J. (1988). The experience of leisure in middle adulthood: Gender differences and change since young adulthood. Unpublished doctoral dissertation, University of Wisconsin, Madison, Wisconsin.是什么意思_Freysinger, V.J. (1988). The experience of leisure in middle adulthood: Gender differences and change since young adulthood. Unpublished doctoral dissertation, University of Wisconsin, Madison, Wisconsin.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句