In Atlanta, the world's second busiest airport says it is looking for additional fuel suppliers.

在亚特兰大，世界上第二繁忙的机场表示，正在寻找其他燃料供应商。

Do you wonder how long this helicopter can fly with an additional fuel tank?

您想知道这架直升机在增加油箱的情况下可以飞行多长时间吗？

Computer models forecast another one to four degrees Celsius of warming by 2100, depending on how much additional fossil fuel we burn.

计算机模型预测到 2100 年将再变暖 1 到 4 摄氏度，这取决于我们燃烧了多少额外的化石燃料。