| 单词 | euthenics |
| 释义 | Word Frequency euthenics(juːˈθɛnɪks) noun (functioning as singular) the study of the control of the environment, esp with a view to improving the health and living standards of the human race Derived forms euthenist (euˈthenist) noun Word origin C20: from Greek euthēnein to thrive |
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