| 单词 | drop safe | 
| 释义 | Definition of drop safe in English:drop safenounˈdrɒp seɪf 
 Origin1970s; earliest use found in Herald (Roselle, Illinois). Definition of drop safe in US English:drop safenounˈdrɒp seɪf 
 Origin1970s; earliest use found in Herald (Roselle, Illinois).  | 
	
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