| 单词 | sial |
| 释义 | sial —sialic, adj. /suy"al/, n. Geol. the assemblage of rocks, rich in silica and alumina, that comprise the continental portions of the upper layer of the earth's crust. Cf. sima1. [1920-25; < G, equiv. to Si(licium) SILICIUM + Al(uminium) ALUMINUM] |
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