音标发音英式音标 [ˈluːb ˌdʒɒb]美式音标 [ˈluːb ˌdʒɑːb]英式发音 美式发音 基本解释润滑，添加润滑油。同根派生 英英字典剑桥英英字典 an occasion when the moving parts of a car are treated with oil or other substances in order to make them move more easily