lubricate

• 动词，指在物体表面涂抹油、润滑剂等物质以减少摩擦、使运动更顺畅；也可引申为润滑、使顺利进行。

A verb meaning to apply a substance (such as oil or grease) to reduce friction or make something move more smoothly.

1. Apply lubricantB2formaltechnical

   To apply a substance (such as oil or grease) to reduce friction between moving parts.

   润滑

   • You should lubricate the engine regularly to prevent wear.
   • The mechanic lubricated the hinges on the door.
   • It is important to lubricate the chain of a bicycle.

   同义词greaselubeoilslick

2. Have lubricating propertiesC1formaltechnical

   To possess the quality of reducing friction or making something slippery.

   具有润滑作用

   • This oil has excellent lubricating properties.
   • The new formula lubricates better than the old one.
   • Some synthetic materials naturally lubricate surfaces.

3. Make smooth or slipperyB2formal

   To make a surface or mechanism smooth and slippery by applying a lubricant.

   润滑

   • He lubricated the lock with graphite powder.
   • The machine parts need to be lubricated to operate quietly.
   • She lubricated the baking pan with butter.

   同义词greaselubeoilslicksmoothwax

   反义词abradedryroughen