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单词 θ4769
释义
the world > the earth > structure of the earth > structural features > sedimentary formation > [noun] > stratum > stratum by constitution > girdle-bed (2)
girdle1819

spec. Mining. A stratum or bed of stone or other substance occurring irregularly. Cf. band, n.2 12.

girdle-bed1880

(see quots.).

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更新时间:2024/12/24 21:13:05