名词

1. (尤指在乡间休闲或锻炼的)散步者，步行者
A walker is a person who walks, especially in the countryside for pleasure or in order to keep healthy.

2. (帮助婴儿、残疾人或病人走路的)助行架
A walker is a special kind of frame which is designed to help babies or disabled or ill people to walk.

1. an enclosing framework on casters or wheels
helps babies learn to walk

Synonym: baby-walkergo-cart

2. a light enclosing framework (trade name Zimmer) with rubber castors or wheels and handles
helps invalids or the handicapped or the aged to walk

Synonym: ZimmerZimmer frame

3. a shoe designed for comfortable walking

4. a person who travels by foot

Synonym: pedestrianfooter