meridian-seeking torque

例句：

1. 1. The city's central meridian runs through the heart of the city.
   城市的中轴线穿过市中心。
2. 2.The true north is the direction that points directly towards the North Pole.
   真正的北是指向北极的直接方向。
3. 3.The ancient Egyptians used a system of meridians to measure time and distance.
   古埃及人使用一种经线系统来测量时间和距离。