The process of heating and separating bitumen... 加热并分离沥青的过程

304. Oil might run out?
     石油可能耗尽吗
305. We can still extract oil from the tar sands of canada.
     我们仍可从加拿大的含油沙中提炼石油
306. The biggest trucks in the world move thousands of tons of sand.
     世上最大的卡车运来数千吨♥沙
307. The process of heating and separating bitumen...
     加热并分离沥青的过程
308. From the sand requires millions of cubic meters ofwater.
     需要数百万立方水
309. Colossal amounts of energy are needed.
     需要大量能源
310. The pollution is catastrophic.
     污染是灾难性的

来自《家园 第二部分 Home Part2》第 307 行