tracking angle acceleration without degradation

例句：

1. 1. The detective was tracking a suspect in the city center.
   侦探正在市中心追踪一名嫌疑人。
2. 2. The team is tracking the latest developments in the field.
   团队正在追踪该领域的最新进展。
3. 3. The scientist was tracking the movement of the glacier.
   科学家正在追踪冰川的运动。