v.沉思( ruminate的过去式和过去分词 );反复考虑;反刍;倒嚼;
例句:
He ruminated on [ over ] what had happened the day before.
他 沉思 前一天发生的事.
Utterson ruminated a while.
厄塔森缄默良久.
Both of them ruminated on the distant past.
他们都想起了久逝的往事.