(of an appetite or desire)impossible to satisfy
(胃口,欲望)不能满足的
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an insatiable hunger for success .对成功的永不满足的渴望。
(of a person)having an insatiable appetite or desire for something, especially sex
(人)(尤指对性)贪得无厌的,不知足的;欲壑难填的。
"late Middle English: from Old French