| 释义 | 
		- n.工作尽心尽力的人;勤勤恳恳的人
 - 网络特里尔;特利尔;特里尔市
 
 n. tester,experimenter,taster,volunteer,guinea pig 1.  | 工作尽心尽力的人;勤勤恳恳的人a person who tries very hard at what they are doing and does their best  |  
 n.  | 1. a tool or implement designed and used for testing materials, particularly food products, during manufacture 2. somebody or something that tries, e.g. a tester of new things 3. somebody who perseveres in doing something despite limited ability or lack of success 4. someone who tries very hard to succeed, despite difficulties 1. a tool or implement designed and used for testing materials, particularly food products, during manufacture 2. somebody or something that tries, e.g. a tester of new things 3. somebody who perseveres in doing something despite limited ability or lack of success 4. someone who tries very hard to succeed, despite difficulties  |  un.  | 1. city in Rhineland-Palatinate State, southwestern Germany. It lies in the center of a wine-growing region.  |  
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