Read Edit View history 粉砂岩 fěnshāyán siltstone Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 粉砂岩 · fěnshāyán · siltstone 2026/03/04 粉砂岩 fěnshāyán siltstone siltstone 这种地层主要由粉砂岩组成。 created sense Mar 4, 2026, 02:25 AM