zonal community

例句：

1. 1.The zonal winds are blowingfrom the northwest.
   纬向风从西北方向吹来。
2. 2. The zonal variationin temperature is due to the altitude.
   温度的纬向变化是由于海拔造成的。
3. 3. Thezonal circulation is responsible for the globalclimate system.
   纬向循环对全球气候系统起着重要作用。