名词
中文翻译：计时器
同义词：
['time interval', "stopwatch例句：1. The teacher used the intervalometer to measure the students' progress.（老师使用计时器来测量学生们的进步。）"]
例句：
-
1. The teacher used the intervalometer to measure the students' progress.
老师使用计时器来测量学生们的进步。
-
2. The engineer used the intervalometer to check the accuracy of his calculations.
工程师使用计时器来检查他的计算的准确性。
-
3. The doctor used the intervalometer to monitor the patient's heart rate during surgery.
医生使用计时器来监测病人在手术期间的心率。