once run kerosene

例句：

1. 1. We used to run kerosene in the old days.
   我们过去经常用煤油。
2. 2. The old lamp was once run kerosene, but it's been replaced by a new one.
   旧灯曾经是煤油灯，但现在已经被新的取代了。
3. 3. Once run kerosene is not only a source of light but also a symbol of warmth andcomfort.
   曾经跑过的煤油不仅是光源，也是温暖和舒适的象征。