| 释义 |
卵石luǎnshí岩石经自然风化、水流冲击和摩擦所形成的卵形或接近卵形的石块,表面光滑,直径5—150毫米,是天然建筑材料,用于铺路、制混凝土等。{cobble; pebble; rock weathered and worn smooth and round into the shape of an egg with the diameter of 5-150 millimetres, used as a natural building material for surfacing roads and making concrete} |