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单词 air-shaft
释义 ˈair-ˌshaft
[air- 7.]
A straight passage (usually vertical) for the admission of air into a mine or tunnel.
1692Ray Creation i. 69 By the sinking of an Air-shaft, the Air hath liberty to circulate.1753Chambers Cycl. Supp. s.v., The damps..make it necessary to let down air-shafts.1789Mrs. Piozzi France & It. I. 196 One of the natives..made a sort of mine, or airshaft.
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更新时间:2024/12/22 16:15:33