这些名词均有“手杖”之意。
cane : 多指用藤或竹制成的细长的手杖。
- He wore a grey suit and leaned heavily on his cane.
他身穿一件灰色西装,吃力地拄着拐杖。
stick : 普通用词，指木制的细长手杖。
- a walking stick
拐杖 - At 84 he's still quite active, although he walks with the aid of a stick.
他84岁了，虽然走路需要拄着拐杖，可仍旧非常硬朗。 - The old lady leant on her stick as she talked.
老太太说话时拄着拐棍。
staff : 多指走路爬山时用作支持或防卫使用的长木棒。
