fuel ['fju:əl]

n./v.燃料，推动

例句：

The assisted-suicide debate has been fueled in part by the despair of patients.

致使医生协助病人自杀这场争论升温的部分原因是病人们的绝望情绪。 (此处fuel v.意为“推动”。)

A shift to other fuels have reduced oil consumption.

改用其他燃料减少了石油消耗。