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单词 sial
释义

sial

/ˈsaɪəl/
noun
mass noun
Geology the material of the upper or continental part of the earth's crust, characterized as relatively light and rich in silica and alumina
【地质】硅铝带, 硅铝层。与SIMA相对。
词源
1920s: from the initial letters of SILICA and ALUMINA.
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更新时间:2025/1/8 11:03:43