lubricate

动词

1. 1

   润滑、上油、加润滑油

   You should lubricate the chain before every long ride.

   每次长途骑乘前都应该替链条上油。

2. 2

   使滑顺、使润滑

   Saliva lubricates the food so it slides down easily.

   唾液能润滑食物，让它顺利吞下。

3. 3

   使顺畅、使圆滑比喻

   A few drinks helped lubricate the conversation at dinner.

   几杯酒下肚，晚餐时的谈话就顺畅多了。

4. 4

   起润滑作用

   This oil lubricates well even at very low temperatures.

   这种油即使在极低温下仍能有效润滑。