今天全球仍有24亿人以煤炭、木炭、秸秆为主要燃料，有16亿人没有用上电。
Today, 2.4 billion people in the world still rely on coal, charcoal, and stalks as main fuels, and 1.6 billion people have no access to electricity.
一旦煤炭供应不上，发电站就靠烧木炭供能。
When coal deliveries are irregular the power station starts burning wood.
它发现，木材和木炭超过煤炭反应。
It has found that wood and charcoal are more reactive than coal.
应用推荐