Repetition

To repeat is to do something one additional time.

Repetition is the practice of doing something multiple times, often sufficiently more than once.

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谢谢,又学习了 -糯米粥- 给 糯米粥 发送悄悄话 糯米粥 的博客首页 (0 bytes) () 01/23/2018 postreply 11:04:19

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