英语语法分析

The aeolian silty sand in shale can provide good guide to study of paleoclimate about lacustrine shale and varve, and to reconstruct sedimentary environment of paleolake accurately.

页岩中风成粉砂沉积的发现，可以进一步为研究有关湖相页岩和第四纪纹泥的古气候变化、正确恢复古湖泊沉积环境提供良好的指标。