recurs是什么意思？

recurs

• v. 再发生，复发( recur的第三人称单数 )；

例句

• The disease recurs in epidemic cycles at two - to three - year intervals . 本病流行周期为 2-3年.
• Leap year recurs every four years. 每四年闰年一次.
• This theme recurs several times throughout the book. 这一主题在整部书里出现了好几次。

柯林斯高阶英汉双解学习词典释义

• VERB
  复发;重现;再次发生
  If something recurs, it happens more than once.
  例句
  ...a theme that was to recur frequently in his work. 一个在他的作品中反复出现的主题 ...a recurring nightmare she has had since childhood. 一个从她童年起就不断出现的噩梦