4周搞定2000+托福核心词
coal
常考释义
Few houses had electricity at this time, so other sources of power were used, like coal for fires which heated perhaps just one room.
这段时间里没有几个房子有电，所以其他的电力来源也被用了，比如说煤炭生火，也只暖和一个房间。
来源于：剑雅6-Test1n. 煤
I put more coal on the fire.
我往火里再加了些煤。
n. （尤指燃烧着的）煤块
A hot coal fell out of the fire and burnt the carpet.
一块燃烧着的煤块从火炉里掉出来把地毯烧了。
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