long的意思是长的;长期;的;长期地;长久地;(在某一时间或事件之前或以后)很久地;(服装的)长尺寸;长裤;例如:My life is further complicated by having to work such long hours. longer的意思是比较长的。例如:Every time it completed a full circle, the longer of the two main hands had moved on exactly to the next of the sixty small pisions round the dial.
