rub.ble
n.(名词)A loose mass of angular fragments of rock or masonry crumbled by natural or human forces.碎石:有角的岩石或砖石建筑的松散的一堆,是由自然力或人力弄碎的
Irregular fragments or pieces of rock used in masonry.粗石:用于砖石建筑的不规则碎片或碎块The masonry made with such rocks.石层:用毛石等制成的
来源:Middle English rubel 中古英语 rubel
【引伸】
rub.bly
adj.(形容词)