Harley-Davidson enters Superbike racing with the introduction of the VR1000, a dual overhead cam, liquid-cooled motorcycle.是什么意思_Harley-Davidson enters Superbike racing with the introduction of the VR1000, a dual overhead cam, liquid-cooled motorcycle.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句