lubricationKK [ˏlubrɪˋkeʃən] /ˌlubɹɪˈkeɪʃən/发音名词1润滑、上油、加油Regular lubrication of the chain will keep your bike running smoothly.定期为链条上油,可以让自行车顺畅运转。2润滑作用、润滑状态Without proper lubrication, the engine parts will overheat and wear out.若缺乏适当的润滑,引擎零件会过热并磨损。3润滑、湿润医学The doctor recommended a gel to improve lubrication and reduce discomfort.医师建议使用凝胶以增加润滑并减轻不适。用这个字练口说→