| 单词 | tri-D | 
| 释义 | Definition of tri-D in English:tri-D(also tri-ˈdi) adjective 
 Origin1950s; earliest use found in Frederik Pohl (1919–2013), writer of science fiction. Definition of tri-D in US English:tri-D(also tri-ˈdi) adjective 
 Origin1950s; earliest use found in Frederik Pohl (1919–2013), writer of science fiction.  | 
	
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