The spheres have to be dispersed in some form of liquid medium if they are to rotate.
如小珠要旋转那必须是散布于液体当中。
2
Paints and varnishes (including enamels and lacquers)based on synthetic polymers or chemically modified natural polymers, dispersed or dissolved in an aqueous medium.
以合成聚合物或化学改性天然聚合物为基本成分的油漆及清漆（包括瓷漆及大漆），分散于或溶于水介质的。
3
The stability of the system of residue or a variety of mixed oils depended predominantly upon the mutual compatibility between dispersed phase and dispersion medium.