| 单词 | walker | 
| 释义 | walkerwalker /ˈwɔkɚ/ ●●○ noun [countable] 1someone who walks for pleasure or exercise:  The area is popular with walkers and bikers.2a fast/slow etc. walker someone who walks fast, slowly, etc.3a metal frame with wheels that old or sick people use to help them walk4a frame on wheels that supports a baby so that it can use its legs to move around before it is able to walk  | 
	
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