| 单词 | brain-break | 
| 释义 | Definition of brain-break in English:brain-breaknoun 
 OriginLate 17th century; earliest use found in Nathaniel Fairfax (1637–1690), physician and antiquary. Definition of brain-break in US English:brain-breaknoun 
 OriginLate 17th century; earliest use found in Nathaniel Fairfax (1637–1690), physician and antiquary.  | 
	
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