metallic clothing unwinding machine

例句：

1. 1. The car is made of metal.
   这辆车是用金属做的。
2. 2.He wore a metallic watch on his wrist.
   他手腕上戴着一个金属手表。
3. 3. The metal roof is rusted and needs to be replaced.
   金属屋顶生锈了，需要更换。