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.

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