foreign oil

例句：

1. 1. The country's government has been accused of using foreign oil to fuel its economy.
   该国政府被指控使用外国石油来推动其经济。
2. 2. The import of foreign oil has significantly reduced the country's domestic production.
   外国石油的进口显著减少了该国的国内生产。
3. 3. The use of foreign oil is a major concern for environmentalists due to its impact on local ecosystems.
   外国石油的使用是环保人士的主要担忧，因为它对当地生态系统产生了影响。