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单词
autochthonous coal
释义
autochthonous coal
autochthonous coal
[
ȯ′täk·thə·nas ′kōl
]
(geology)
Coal believed to have originated from accumulations of plant debris at the place where the plants grew. Also known as indigenous coal.
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transverse sinus of pericardium
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更新时间:2025/12/22 6:41:20