ruminationn.
美 ,rʊmə'neʃən
中文n. 沉思；反刍
词根词源
rumination (n.)c. 1600, "act of ruminating; act of meditating," from Latin ruminationem (nominative ruminatio) "a chewing the cud," noun of action from past participle stem of ruminare (see ruminate).
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