walker
noun [ C ] uk/ˈwɔː.kər/ us/ˈwɑː.kɚ/
C1 散步者；步行者
a person who walks, especially for exercise or enjoyment
She's a very fast/slow walker. 她走起路来非常快／慢。
They've been keen walkers ever since they read about the benefits of exercise. 自从他们读到锻炼的好处之后就一直热衷于步行锻炼。
(also baby walker)（帮助小孩子学走路用的）学步车
a seat on wheels that a baby can sit in and use its feet to move along, before it is able to walk
US (UK Zimmer frame)（老年人等用的）助行架
a metal frame with four legs that you place in front of you and lean on to help you move forward if you have difficulty in walking, for example when old