今天我们要学的词是 fossil fuel. Fossil fuel 矿物燃料。Australia will not sign a communique at the Paris climate summit about phasing out fossil fuel subsidies. 澳大利亚不会在巴黎气候峰会上签署逐步取消对矿物燃料补贴的公报。U.S. President Barack Obama promised money to help the poorest countries to transition to economies that depend less on fossil fuels. 美国总统奥巴马承诺向最贫穷的国家提供经济支援，帮助它们向更少依赖矿物燃料的经济转型。好的，今天我们学习的词是 fossil fuel, fossil fuel, fossil fuel...