释义 |
DictionarySeewellwater well
water well[′wȯd·ər ‚wel] (civil engineering) A well sunk to extract water from a zone of saturation. 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. |