si·al 
(sīăl′)
(sīăl′)n.
Rock rich in silicon and aluminum forming the upper layer of the earth's crust beneath all continental landmasses.
[SI(LICON) + AL(UMINUM).]
| 单词 | sial |
| 释义 | si·al (sīăl′)n. Rock rich in silicon and aluminum forming the upper layer of the earth's crust beneath all continental landmasses. [SI(LICON) + AL(UMINUM).] |
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