This is the plant you need if you've been stung by a bee, or if you've got a small burn or a cut.
这种植物可用于蜜蜂蜇伤、轻微灼伤或是割伤。
That is why some rich people who love to burn things containing carbon, such as petrol and aircraft fuel, have recently started paying others to plant trees on their behalf.
这就是为什么富人们有消耗资源的那些嗜好，诸如使用汽油和航空燃料等，同时近些年又需要其他人为这些没有节制的行为来种植树木的原因。
In fact fuels we burn and plant foods we eat give off their chemical energy in the form of heat energy.
其实我们烧的煤和吃的植物性食物都是以热能形式放出它们所含有的化学能。
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