coal 的意思
coal 的翻译
coal
[kəul]
释义：
n. 煤；煤块
例句：
The coal miners have come out for about two weeks.
煤矿工人已罢工约两周了.
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She used tongs to put some more coal on the fire.
她用火钳再夹一些煤放进炉子里.
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At one time they used to mine coal in these valleys.
从前他们在这些峡谷中采煤.
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