单词	air crossing
释义	air crossing noun : a passage in a mine by which one airway crosses another compare overcast, undercast Word History First Known Use 1833, in the meaning defined above
随便看	chain-smoker chain-smokes chain-smoking chained chainer chaines chaining chainless chainlet chainlets chainliker chainlikest chainman chainmen chainomatic chains chainsaw chainsawed chainsawing extinguisher extinguishers extinguishes extinguishing extinguishment extinguishments

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