油壶

例句：

1. 1. She carefully poured the oil into the oil flask.
   她小心翼翼地把油倒入油壶。
2. 2. The chef used an oil flask to add more oil to the pan.
   厨师用一个油壶往锅里加更多的油。
3. 3. The oil flask was a useful tool for cooking.
   油壶是烹饪中有用的工具。