最常见的空间是那些由松散的、未固结的砂和砾石组成的颗粒(沙粒和小卵石)之间的空间。
The commonest spaces are those among the particles—sand grains and tiny pebbles—of loose, unconsolidated sand and gravel.
砂岩和砾岩辨别是砂和砾石凝结的产品。
Sandstone and conglomerate are the consolidated equivalent of sand and gravel.
这块化石嵌在了可能是某条河流所沉积的沙和砾石之中。
The fossils were embedded in sand and gravel that were likely laid down by a river.
应用推荐