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单词	air bell
释义	air bell noun 1 : a hollow inverted vessel (such as a diving bell or bell jar) An air bell was used in the construction of one of the new piers for the Baltimore & Ohio R. R. bridge over the Allegheny River at Pittsburgh, Pa. Engineering and Contracting, July–December 1922 2 : an air bubble 3 : an undeveloped spot on a negative or print caused by the adherence of an air bubble to the film surface during development Word History First Known Use 1782, in the meaning defined at sense 1
随便看	China rooster China rose China Sea China shot China silk China standard time china stone China Syndrome China tea China tree China wax China wood oil chinaball chinaberries chinaberry chinacrin chinacrine chinae chinaer chinaest chinafish chinafy chinagraph pencil Chinaman Chinaman's chance

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