created sense approved 层岩/層巖 · céngyán · flagstone
层岩 / 層巖
céngyán
flagstone
a flat, thin slab of rock used for paving walkways or as a building material
这种平整的层岩常被用于铺设庭院中的小径。
noun
created sense approved 层岩/層巖 · céngyán · stratified rock
层岩 / 層巖
céngyán
stratified rock
rock that is formed in or composed of distinct layers or strata
这些古老的层岩记录了地表亿万年的变迁。
noun