这些电厂烧产自鲁尔地区的煤。
煤能够释放易燃气体这一点早已为人所知。
The ability of coal to release a combustible gas has long been known.
我往火里再加了些煤。
核能比煤更清洁。
“不只一个便士。”拉煤的人说。
尼龙是由空气、煤和水加工制成。
火车经过后，我们捡起掉下来的煤。
他递给他一个用来装煤的篮子。
煤烧完了，只好烧木头。
几乎没剩下多少煤了。
你爸爸为什么不买煤？
煤是从地下开采来的。
他在往炉子里添煤。
电动出租车将节省11.9万吨标准煤的能量。
The electric taxis will save the energy of 119,000 tons of standard coal.
煤储量很难探明。
该往火里加煤了。
煤是用来燃烧的。
这些石头就是煤，当时大多数欧洲人对它知之甚少。
These stones were coal, and most of the Europeans knew little about it then.
这个矿产煤。
因为煤和铁矿石是原材料，蒸汽成为了工业革命的动力。
Steam became the motive force of the Industrial Revolution as coal and iron ore were the raw materials.
高硫煤燃烧过程中的二氧化硫的排放是受到法律限制的。
The emission of sulfur dioxide when high-sulfur coal is burned is restricted by law.
“我们的爸爸病得很重，我们没有钱买食物和煤。”我回答。
"Our daddy is very sick and we have no money to buy food and coal," I answered.
一块煤滑了下来，火噼啪作响，喷出一股火焰，把他吓醒了。
A coal slipped, the fire crackled and sent up a spurt of flame, and he woke with a start.
整个冬天，每周有三天，我们都能收到一桶煤、一份礼物，有时还能收到钱。
All that winter, three days a week, we received a bucket of coal, a gift and, sometimes, money.
煤气比煤便宜。
这趟空的运煤列车撞上了小汽车的侧面，将其推出了约86英尺。
The empty coal train broadsided the car and pushed it about 86 feet.
你可能知道矿井在地下，人们能从矿井中挖出煤和其他有价值的东西。
You might know that a mine is a place underground where people get coal and other valuable things.
我们轮番给锅炉添煤。
一路上，火车不时停站以便上煤。
Along the way, the train stopped many times to load up on coal.
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