| 释义 | 
		过去分词:recurred  现在分词:recurring  第三人称单数:recurs   v. persist,return,come back,reappear,come again 1.  | 再发生;反复出现to happen again or a number of times  |  
  | This theme recurs several times throughout the book. 这一主题在整部书里出现了好几次。  |   | a recurring illness/problem/nightmare, etc. 反复发作的疾病、反复出现的问题、一再出现的噩梦等  |  
 v.  | 1. 重复发生,还会发生,重复出现;反复强调,反复讨论,反复提出 3. (问题、困难等)再发生;(疾病等)复发;来来去去,翻来覆去 1. 重复发生,还会发生,重复出现;反复强调,反复讨论,反复提出 3. (问题、困难等)再发生;(疾病等)复发;来来去去,翻来覆去  |  
 v.  | 1. to happen or appear once again or repeatedly 2. to occur as an infinitely repeated digit or series of digits at the end of a decimal fraction 3. to return to a subject in speech, writing, or thought  |  
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