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单词
firedamp
释义
firedamp (also damp), n [U] gas in coal-mines, explosive when mixed in certain proportions with air; methane (煤矿中与一定比例的空气混合的)瓦斯; 沼气; 甲烷.
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uprightness
upright piano
uprising
uproar
uproarious
uproariously
uproot
upset
upshot
upside-down
upstage
upstairs
upstanding
upstart
upstream
upsurge
upswing
uptake
uptight
up-to-date
up-to-the-minute
uptown
upturn
upturned
upward
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更新时间:2026/1/20 16:01:36