Lubricating with oil to reduce friction

用油润滑以减少摩擦

Greasing or brushing with oil for cooking

为烹饪而用油涂抹

Supplying a burner, furnace, or engine with oil fuel

为炉子或发动机加注燃油

Speaking in an unctuous, flattering manner

以油腔滑调、奉承的方式说话

An act or instance of applying oil

一次上油的行为