"I mulled over the events of the afternoon" "philosophers have speculated on the question of God for thousands of years" "The scientist must stop to observe and start to excogitate"
例句
用作动词(v.)
The discovery provides pabulum for the scientific community to ruminate on for decades to come.这项发现为科学界对未来十年的深思提供了精神食粮。
The cow began to ruminate after eating up grass.牛吃完草后开始反刍。
