steam bled

例句：

1. 1. The steam fromthe kettle rises up to meetthe air.
   水壶里的蒸汽升腾起来与空气相遇。
2. 2. Steam is a commonform of energy in many industries.
   蒸汽是许多工业中常见的能源形式。
3. 3. The steamengine was invented by James Watt over200 years ago.
   詹姆斯·瓦特在200多年前发明了蒸汽机。