dancing只可作名词,为不可数名词,意为跳舞,舞蹈.如There was music and dancing.这是音乐和舞蹈.dance可做名词和动词.做名词意为舞蹈,舞曲,舞会,舞蹈艺术.动词是跳舞的意思.如Do you want to dance?做动词.做名词例...