Read Edit View history 粉砂石 fěnshāshí siltstone Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 粉砂石 · fěnshāshí · siltstone 2026/03/04 粉砂石 fěnshāshí siltstone siltstone 这种地层由粉砂石和页岩组成。 created sense Mar 4, 2026, 02:25 AM