g-meter

例句：

1. 1. The teacher gave us a minute to think before the next question.
   老师给了我们一分钟时间思考下一个问题。
2. 2. She used her g-meter to measure the distance between the two points.
   她用她的秒表测量了两点之间的距离。
3. 3. The marathon runners used their g-meters to keep track of their pace.
   马拉松跑者使用他们的秒表来跟踪他们的速度。