| 单词 | roo rat | 
| 释义 | Definition of roo rat in English:roo rat(also 'roo rat) noun ˈruː rat 
 Origin1940s; earliest use found in Ion Llewellyn Idriess (1890–1979). From roo + rat, after kangaroo-rat. Definition of roo rat in US English:roo rat(also 'roo rat) nounˈruː rat 
 Origin1940s; earliest use found in Ion Llewellyn Idriess (1890–1979). From roo + rat, after kangaroo-rat.  | 
	
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