辐射
近义词与同义词
按词义分组列出，使用时请结合具体语境。
extend or spread outward from a center or focus or inward towards a center; "spokes radiate from the hub of the wheel"; "This plants radiate spines in all directions"
send out rays or waves; "The sun radiates heat"
the release of electrons from parent atoms
the radiation of alpha particles during radioactive decay
基本解释
①从中心向各个方向沿着直线伸展出去～形。②热的传播方式的一种，从热源沿直线向四周发散出去。光线、无线电波等电磁波的传播也叫辐射。