rumination

• 名词，指深入、持久且常反复的思考或沉思；也指反刍动物将食物返回口中再次咀嚼的过程，医学上亦指反流或反刍现象。

A noun referring to the act of deep, prolonged, and often repetitive thinking or contemplation, or to the process of chewing cud in ruminant animals, and also used in medical contexts for the regurgitation of food.

1. Deep thought or contemplationC1formal

   A calm, lengthy, and intent consideration of a subject or idea.

   沉思

   • His rumination on the meaning of life lasted for hours.
   • She sat in quiet rumination, pondering the philosopher's words.
   • The book is a collection of his personal ruminations on society.

   同义词broodingcogitationconsiderationcontemplationmeditationmusingponderingreflectionthought

2. Chewing the cudC1formal

   The process by which ruminant animals, such as cows or sheep, chew their food again after it has been partially digested.

   反刍

   • The cow lay in the field, engaged in quiet rumination.
   • Rumination is a key part of a ruminant's digestive process.
   • The farmer observed the sheep's rumination after their meal.

3. Medical regurgitationC2formal

   The regurgitation of small amounts of food, often seen in some infants after feeding.

   反刍

   • The pediatrician explained that rumination in infants is usually harmless.
   • Rumination disorder can sometimes require medical attention.
   • The baby's rumination after feeding was monitored by the nurse.

   同义词regurgitation