| 单词 | 硅藻土 |
| 释义 | 〔tripoli〕A porous, lightweight, siliceous sedimentary rock composed of the shells of diatoms or radiolarians or of finely weathered chert, used as an abrasive and a polish.硅土：一种包含有硅藻土或砂藻土或已风化石粉末的黑硅土的脆而轻的硅沉积岩，用作研磨剂和抛光剂〔diatomite〕A fine, powdered diatomaceous earth used in industry as a filler, a filtering agent, an absorbent, a clarifier, and an insulator. Also called kieselguhr 硅藻土：一种细粉状硅藻土，在工业上用作过滤器、助滤剂、吸收剂、填料和绝缘材料 也作 kieselguhr |
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