An imperforate stamp.

• 无齿孔的邮票

An imperforate stamp.的用法和样例：

例句

1. From the moviegoer's point of view, it is easy to forget the nuance of sprocket holes and light-interrupters while watching an absorbing drama.
   从电影观众的角度来说，在观看一部引人入胜的电影时，很容易忘记影片齿孔间的细微差别和瞬间的光线打断。