Lubrication
[,luːbrɪ'keɪʃən] or [,lʊbrɪ'keʃən]
解釋/意思:
(noun.) an application of a lubricant to something.
(noun.) the condition of having been made smooth or slippery by the application of a lubricant.
以利沙整理--From WordNet
解釋/意思:
(n.) The act of lubricating; the act of making slippery.
整理:泰勒