soft coal

基本解释

The combustion parameters of petroleum coke are between soft coal and anthracite .
石油焦的燃烧特性指数大约处于烟煤和无烟煤之间。
The combustion characters of petroleum coke were between those of soft coal and anthracite .
石油焦的燃烧特性处于烟煤和无烟煤之间。
After spring plowing it looks oil-blackened or colored by the soft coal which occurs in great veins throughout the state.
春耕之后，泥土油亮而乌黑，像是被遍布全州的大矿脉里松软的烟煤染过似的。

In his first, he told weary Britons that even New York was a war casualty, driven to burning filthy soft coal and hoarding butter.
ECONOMIST: Alistair Cooke
Which makes sense, considering that it's the stuff that coal is made of (lignite coal is soft brown coal formed from geologic pressures on forests that died millions of years ago).
FORBES: Ethanol
He will also announce plans for a fresh round of soft loans to help clean up China's filthy coal-burning power stations.
ECONOMIST: Japan’s war with China, revisited