chronographtelemeter

例句：

1. 1. The chronographtelemeter on the watch showed that it had been running for 2 hours and 45 minutes.
   手表上的计时器显示它已经运行了2小时45分钟。
2. 2. He used a chronographtelemeter to measure the distance between two points on the map.
   他使用计时器测量地图上两点之间的距离。
3. 3. The chronographtelemeter was an essential tool for measuring the duration of an event.
   计时器是测量事件持续时间的必备工具。