1. New Zealand runner who in 1975 became the first person to run a mile in less that 3 minutes and 50 seconds (born in 1952)

2. United States writer (born in 1944)

3. a person who travels by foot

4. a shoe designed for comfortable walking

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

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

1.(尤指在乡间休闲或锻炼的)散步者，步行者
Awalker 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
Awalker is a special kind of frame which is designed to help babies or disabled or ill people to walk.

e.g. She eventually used a cane, then awalker, and finally was confined to the house.
结果她拄上了拐杖，后来又用上了助行架，最后连房门都出不了了。

1. 步行器：步行器(walker)也称助行架(Walking Frame),是另外一种常见的助行器. 它一般是用铝合金材料制成,是一种三边形(前面和左右两侧)的金属框架,,自身很轻,可将患者保护在其中,有些还带脚轮. 步行器可以支持体重便于站立或步行,

2. 助行器：她正进行户外移位训练,练习扶著助行器(walker)走路. 问题是,不管是很会赚钱的企业老板,或者是被视为菁英的知识分子,绝大多数人并不了解自己的身体. 二十一岁创业、二十七岁就拥有三家企业,

3. 步行者：为了适应各种复杂的地形,腿实验室的后继者们对三种不同的运动步态--走、跑、跳分别展开了研究,更多的机器腿被制造出来,它们分别被命名为步行者(walker)、跑步者(Runner)和跳跃者(Hopper).