stirrup iron

例句：

1. 1. The old horsewas given a new pair of stirrupirons to make it more comfortable.
   给这匹老马换了一对新的蹄铁，让它更舒服。
2. 2. Heused the stirrup ironto help him up from hisseat.
   他用蹄铁帮他从座位上站起来。
3. 3. The farmer had to replace thestirrup iron after it broke during theheavy rain.
   农民在大雨后不得不更换蹄铁。