area and block sampling

例句：

1. 1. This map shows the area of the city.
   这张地图显示了城市的面积。
2. 2. The scientist studied the geological area around the volcano.
   这位科学家研究了火山周围的地质区域。
3. 3. The area is rich in minerals and has a lot of potential for development.
   该地区富含矿物，具有很大的开发潜力。
4. 1. The blocks of stone were carefully placed to form the wall.
   这些石块被小心地放置以形成墙壁。
5. 2. The blockbuster movie was released last week.
   这部大片上周上映。
6. 3. The blockade has caused significant economic disruption.
   封锁已经造成了严重的经济混乱。