扩散
近义词与同义词
按词义分组列出，使用时请结合具体语境。
(physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration
a rapid increase in number (especially a rapid increase in the number of deadly weapons); "the proliferation of nuclear weapons"
(pathology) an abnormal proliferation of tissue (as in a tumor)
spread across or over; "A big oil spot spread across the water"
the process of permeating or infusing something with a substance