间隔数

例句：

1. 1. The trainarrived at the station with a short intervalbetween stops.
   火车在站内停靠时，间隔很短。
2. 2. During the test, therewere several intervals when the teacher had topause for questions.
   考试期间，老师有几次暂停回答问题的间隔时间。
3. 3. The movie hadan interesting plot that included many longand short intervals of suspense.
   这部电影情节引人入胜，充满了许多长和短的悬念间隔。