单词	footwall
释义	footwall noun foot·​wall ˈfu̇t-ˌwȯl  1 : the lower underlying wall of a vein, ore deposit, or coal seam in a mine 2 : the lower wall of an inclined fault Word History First Known Use 1837, in the meaning defined at sense 1
随便看	Nānak ně o O altitudo O and R O Antiphon o device o devices O gage O level O star O substance o tem o tempora! o mores! o' o'ahu O'Boyle o'bri O'Brian O'Brien potatoes O'Casey o'clock O'Connell O'Connor o'er

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