他已同人群混杂在一起而找不到了。 He has mixed with crowd together but has not found.
水泥沙浆任一种用各种原料混合出的混杂物质,如沙浆和灰泥 Any of various combined substances, such as mortar or plaster, formed by mixing ingredients.
激光器使偶然的混杂频率的电磁辐射,变为一个或更多的高度强化和连续的紫外线、可见光或红外线辐射的分离频率仪器中的一种 Any of several devices that convert incident electromagnetic radiation of mixed frequencies to one or more discrete frequencies of highly amplified and coherent ultraviolet, visible, or infrared radiation.