greased

例句：

1. 1. The car was greased before it left the garage.
   汽车离开车库前已经上了油。
2. 2. The engine needs to be greased regularly to prevent wear.
   发动机需要定期上油以防止磨损。
3. 3.The old machine needed some grease to get it running again.
   这台旧机器需要一些油才能再次运行。