煤炭与汽车尾气污染物常制造出一种永久的暮色，笼罩于上海、北京和其他城市的上空。

Coal and car pollutants often produce a permanent twilight in Shanghai, Beijing and other cities.

《鸟瞰中国》《China from Above》

我喜欢所有火车啊，蒸汽火车，柴油火车，煤炭火车,高架列车,子弹列车。你有本事就说出个我不喜欢的火车。

Oh, I like all kinds of trains, steam, diesel, coal, elevated, bullet. I defy you to name a train that I don't like.

《生活大爆炸 第十一季》《The Big Bang Theory Season 11》

近几十年,核能和煤炭已经成为传统的稳定能源，但我们逐渐开始使用化石燃料，这被认为是更安全更清洁的能源，天然气。

For decades, nuclear and coal have been the traditional stable workhorses that power the grid, but we're increasingly turning to a fossil fuel that's seen as both safer and cleaner, natural gas.

《透视美国》《America Revealed》