单词	wellhole
释义	wellhole wellhole (ˈwɛlˌhəʊl) n (Architecture) an opening through a floor for light; a staircase or a chimneystack well•hole (ˈwɛlˌhoʊl) n. the shaft of a well. [1670–80] wellhole wellhole [′wel‚hōl] (mining engineering) A large-diameter vertical hole used in quarries and opencast pits for taking heavy explosive charges in blasting. The sump, or portion of a shaft below the place where skips are caged at the bottom of the shaft, in which water collects. well, wellhole well, 1: W 1. The clear vertical space about which a stair turns; a stairwell. 2. The open vertical space between walls in which a stair or elevator is constructed. 3. Any enclosed space of small area but of considerable height, as an air shaft. well, 4.See bored well, dug well, etc. wellhole The open vertical space between walls in which a stair is constructed; see well, 1. LegalSeewell
随便看	down to somebody/something down to someone down to (someone or something) down to something down to the ground down to the last detail down to them down to the short strokes down to the wire down-to-the-wire down to us down town downtown downtown action committee downtown action team downtown and midtown residents association downtown annapolis downtown area downtown area plan downtown area plan advisory committee downtown area shuttle downtown arena design team downtown art gallery downtown artists development association downtown arts center

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