satisfy → sate、satiate、insatiable

satisfy v. 使满意，使满足
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词根：sat 满足
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sate  [seɪt] v. 使满足于
satiate  [ˈseɪʃieɪt] v. 使饱足，使厌腻
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例：sate his desire 满足他的欲望
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