aggregate: vt.1.集合,(使)聚集。2.总计,共计,合计。短语和例子The sum will aggregate a thousand dollars. 总额共计一千元。adj.1.聚合的;(花)聚生的。2.【地质学;地理学】聚成岩的。3.合计的,总。短语和例子an aggregate flower 聚生花。n.1.聚集,集合。2.总数。3.聚集体;凝聚体;团粒。4.【建筑】混凝料
Lightweight aggregate concrete ( lac ) is one of concrete that uses artificial or natural lightweight aggregate instead of normal aggregate 轻骨料混凝土是一种利用人造或者天然轻质骨料替代普通密度骨料的混凝土。