off oil

例句：

1. 1. The engine was running off the oil.
   发动机正在漏油。
2. 2. They used to use off-oil filters in their cars.
   他们过去在他们的汽车中使用了脱油过滤器。
3. 3. Off-oil disposal is a serious environmental issue.
   脱油处理是一个严重的环境问题。