steam steering gear

例句：

1. 1. The steam from the kettle rose up to meet the cold air.
   水壶里的蒸汽升腾起来，与冷空气相遇。
2. 2. Steamed buns are a popular breakfast choice in many Asian countries.
   蒸馒头是许多亚洲国家早餐的热门选择。
3. 3. The hot springs in the mountain have a constant supply of fresh, clean steam.
   山区的温泉源源不断地提供新鲜的、干净的蒸汽。