memorial consisting of a very large stone forming part of a prehistoric structure (especially in western Europe)
同义词：megalithic structure
megalith详细解释
meg.a.lith n.（名词）A very large stone used in various prehistoric architectures or monumental styles, notably in western Europe during the second millenniumb.c. 巨石：各种史前建筑或纪念碑所用之巨型石块，尤见于公元前 第二个千年时之西欧 【引伸】 meg.alith.ic adj.（形容词）
