单词 | 甲烷气体 |
例句 | DEFINITIVE EXAMPLES 权威例句〔coal〕There are substantial reserves of methane gas trapped in coal seams in the area.该地区煤层之中储有大量的甲烷气体。牛津搭配〔collect〕Methane gas does collect in the mines around here.甲烷气体在这里的矿井中积聚。外研社新世纪 |
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