lubrication

,lu:bri'keiʃәn

托福

n. the condition of having been made smooth or slippery by the application of a lubricant
n. an application of a lubricant to something

n. 润滑, 注油, 润滑作用
[计] 润滑

33,446

BNC 频率

21,226

使用频率

lubrication 由词根“lubric-”和后缀“-ation”组成。“lubric-”表示“润滑”，而“-ation”表示“动作或过程”，合起来就是“润滑的过程”。

例句

1. Proper lubrication is essential for keeping the engine running smoothly.

适当的润滑对保持发动机平稳运行至关重要。

2. Always check the lubrication levels before using the machine.

在使用机器之前，请务必检查润滑油的水平。

3. The mechanic used grease for lubrication on the moving parts.

机械师在移动部件上使用了润滑脂。