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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
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更新时间:2025/12/2 8:00:40