escape steam造句

• I ' d pinpointed the sound as coming from the water heater , but i didn ' t see any escaping steam or water . then i saw what was making the sound
  我原先確認聲音來自水鍋爐，但是我并沒有看見水或水蒸汽跑出來，過了一會，我發現了這種噪聲的聲源。
• It's difficult to find escape steam in a sentence. 用escape steam造句挺難的