steam-bottom still

例句：

1. 1.The steam-bottom still is an essential tool for distilling alcohol.
   蒸汽底部的蒸馏器是蒸馏酒精的关键工具。
2. 2.The scientist used the steam-bottom still to extract oil from the plant.
   科学家使用蒸汽底部蒸馏器从植物中提取油。
3. 3.The steam-bottom still was a revolutionary invention that revolutionized the way we produce alcohol.
   蒸汽底部蒸馏器是一项革命性的发明，它彻底改变了我们生产酒精的方式。