| 释义 | 
		ruminateruminate /ˈruməˌneɪt/ verb [intransitive] ETYMOLOGYruminateOrigin: 1500-1600 Latin, past participle of  ruminare, from  rumen throat   VERB TABLEruminate |
 | Present | I, you, we, they | ruminate |   | he, she, it | ruminates |  | Past | I, you, he, she, it, we, they | ruminated |  | Present perfect | I, you, we, they | have ruminated |   | he, she, it | has ruminated |  | Past perfect | I, you, he, she, it, we, they | had ruminated |  | Future | I, you, he, she, it, we, they | will ruminate |  | Future perfect | I, you, he, she, it, we, they | will have ruminated |  
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 | Present | I | am ruminating |   | he, she, it | is ruminating |   | you, we, they | are ruminating |  | Past | I, he, she, it | was ruminating |   | you, we, they | were ruminating |  | Present perfect | I, you, we, they | have been ruminating |   | he, she, it | has been ruminating |  | Past perfect | I, you, he, she, it, we, they | had been ruminating |  | Future | I, you, he, she, it, we, they | will be ruminating |  | Future perfect | I, you, he, she, it, we, they | will have been ruminating |  
    1formal to think for a long time about something: ruminate about/on etc. He was ruminating on the injustices of the world.2science, biology if animals such as cows ruminate, they bring food back into their mouths from their stomachs and chew it again [Origin: 1500–1600 Latin, past participle of  ruminare, from  rumen throat]—rumination /ˌruməˈneɪʃən/ noun [countable, uncountable]  |