steelrim

例句：

1. 1. He was wearing a steel capto protect his head from the rain.
   他戴着钢盔来保护他的头部免受雨水的侵害。
2. 2. The soldier had to wear asteel cap to keep his head dry.
   这名士兵不得不戴上钢盔来保持他的头部干燥。
3. 3. The steel cap provided excellent protection againstimpact.
   这个钢盔提供了极好的防冲击保护。