grease organic filler

例句：

1. 1.The car needs some grease to keep it running smoothly.
   这辆车需要一些油来让它顺畅运行。
2. 2. The engine requires regular grease changes.
   发动机需要定期更换润滑油。
3. 3. The old machine has a lot of grease buildup that needs to be cleaned out.
   这台旧机器有很多油脂积累，需要清理。