lubrication
noun /ˌluːbrɪˈkeɪʃn/
/ˌluːbrɪˈkeɪʃn/
[uncountable]- the act or process of putting a lubricant on something such as the parts of a machine, to help them move smoothly
| 单词 | lubrication |
| 释义 | lubricationnoun /ˌluːbrɪˈkeɪʃn/ /ˌluːbrɪˈkeɪʃn/ [uncountable]
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