walking stick

例句：

1. 1. He used a walking stick to help him walk across the street.
   他用一根拐杖帮助他过马路。
2. 2. She needed a walking stick to get around in the park.
   她在公园里需要一根拐杖才能四处走动。
3. 3. The old man was using his walking stick as he walked down the sidewalk.
   老人拄着拐杖走下人行道。