1828, probably from lubricant (adj.), or from Latin lubricantem.
lubricant (adj.)
"reducing friction," 1809, from Latin lubricantem (nominative lubricans), present participle of lubricare "to make slippery or smooth," from lubricus "slippery; easily moved, sliding, gliding;" figuratively "uncertain, hazardous, dangerous; seductive," from PIE *sleubh- "to slip, slide" (see sleeve).
实用例句
1. Its nozzle was smeared with some kind of lubricant.
它的喷嘴抹了某种润滑油。
来自柯林斯例句
2. I think humor is a great lubricant for life.
我认为幽默是人生的上好润滑剂。
来自柯林斯例句
3. Most mechanical devices require oil as a lubricant.
绝大多数机械装置都需要用油作为润滑剂。
来自柯林斯例句
4. You put lubricant on a wheel to make it turn more easily.
把润滑剂涂在轮子上使它转起来更零活一些。
来自辞典例句
5. Also the oxide itself is a moderately effective lubricant.
