lubricant
/ˈluːbrəkənt/
American
- n. 润滑剂, 润滑油
- Definition
- n. a substance used to make surfaces move smoothly
- Example
- He added lubricant to the bicycle chain so it would stop squeaking.
- 他给自行车链条上了润滑油，链条就不再吱吱作响了。