英语词汇优境学是什么意思，优境学的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	优境学
释义	DEFINITIVE EXAMPLES 权威例句〔euthenics〕The study of the improvement of human functioning and well-being by improvement of living conditions.优境学：一门通过改善生存环境来改善人种的学科美国传统
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