lu·bri·cateBrE/ˈluːbrɪkeɪt/NAmE/ˈluːbrɪkeɪt/verbpresent simple - I / you / we / theylubricateBrE/ˈluːbrɪkeɪt/NAmE/ˈluːbrɪkeɪt/present simple - he / she / itlubricatesBrE/ˈluːbrɪkeɪts/NAmE/ˈluːbrɪkeɪts/past simplelubricatedBrE/ˈluːbrɪkeɪtɪd/NAmE/ˈluːbrɪkeɪtɪd/past participlelubricatedBrE/ˈluːbrɪkeɪtɪd/NAmE/ˈluːbrɪkeɪtɪd/ -ing formlubricatingBrE/ˈluːbrɪkeɪtɪŋ/NAmE/ˈluːbrɪkeɪtɪŋ/~sthtoputalubricantonsthsuchasthepartsofamachine, tohelpthemmovesmoothly给…上润滑油;上油SYNgrease, oil▸lu·bri·ca·tionBrE/ˌluːbrɪˈkeɪʃn/NAmE/ˌluːbrɪˈkeɪʃn/noun[U]