Zimmer frame

英 [ˈzɪmə freɪm]

美 [ˈzɪmər freɪm]

n.  齐默式助行架

牛津词典

noun

• 齐默式助行架
  a metal frame that people use to help them to walk, for example people who are old or who have sth wrong with their legs

柯林斯词典

• （老人或病人用的）齐默助行架
  AZimmer frameor aZimmeris a frame that old or ill people sometimes use to help them walk.

in AM, use 美国英语用 walker