| 单词 | train guard | 
| 释义 | Definition of train guard in English:train guardnoun ˈtreɪn ɡɑːd 
 OriginMid 17th century (in an earlier sense). From train + guard. Definition of train guard in US English:train guardnounˈtreɪn ɡɑːd 
 OriginMid 17th century (in an earlier sense). From train + guard.  | 
	
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