| 单词 | self-renewal | 
| 释义 | self-renewalnoun  self-re·new·al  ˌself-ri-ˈnü-əl  -ˈnyü-    plural self-renewals     : the act or process of renewing oneself or itself  For a long time it has been assumed that heart muscle cells are incapable of self-renewal. More than 500 guests arrive annually between May 13 and Oct. 21 in pursuit of a back-to-basics, kick-in-the-pants approach to self-renewal: no caffeine, low salt, no refined sugar, no seconds. | 
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