zone of discontinuous soil moisture

例句：

1. 1. The scientist studied the distribution of plants in different zones.
   科学家研究了不同区域的植物分布。
2. 2. The city is divided into several zones for traffic control.
   这个城市为了交通控制分成了几个区域。
3. 3. The farmers are working in different zones to harvest crops.
   农民们在不同的区域工作，收割作物。