lu·bri·cate /ˈlubrəˌket/
  (vt.)使潤滑,塗油(vi.)潤滑
  lu·bri·cate /ˈlubrɪˌket/ 及物動詞
  (拉lubricatus)滑的
  Lu·bri·cate v. t.
  1. To make smooth or slippery; as, mucilaginous and saponaceous remedies lubricate the parts to which they are applied.
  Supples, lubricates, and keeps in play,
  The various movements of this nice machine.   --Young.
  2. To apply a lubricant to, as oil or tallow.
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  lubricate
       v 1: have lubricating properties; "the liquid in this can
            lubricates well"
       2: apply a lubricant to; "lubricate my car" [syn: lube]
       3: make slippery or smooth through the application of a
          lubricant; "lubricate the key"