zonal mineral

例句：

1. 1. The zonalwinds blow from the northwest to thesoutheast.
   纬向风从西北吹到东南。
2. 2. The zonal variation intemperature is due to the different altitudes.
   温度的纬向变化是由于不同的海拔高度造成的。
3. 3. The zonal circulation playsa crucial role in the Earth'sclimate system.
   纬向环流在地球气候系统中起着至关重要的作用。