四分仪

例句：

1. 1. The pilot used a compass to find his way back to the airport.
   飞行员使用指南针找到返回机场的路。
2. 2. The sailor used a compass to navigate through the stormy sea.
   水手使用指南针在暴风雨中导航。
3. 3. The map is based on a compass, which helps you find your way around the city.
   地图基于指南针，帮助你在城市中找到方向。