(1)辐射，发出(give off(heat，light，etc)or(heat，light，etc) be given off)[I+prep(from)，T+n]：the light/warmth that～s from the sun/the fire/the stove 太阳/火/炉子发出的光/热;The sun～s both light and heat. 太阳发出光和热。〖同〗give off;〖反〗absorb;

(2)四外辐射(散发)((of lines，beams)spread out from a centre)[I+prep(from)]：The spokes～from the hub of the wheel.车的辐条在车轴上呈辐射状。The roads～from the centre of the town.路从这座小城镇的中心向四外伸延。The lines～from the point in all directions. 这些线段从这点向各个方向伸延。〖同〗spread;

(3)流露，洋溢(show(happiness，etc.)to a great degree)[T+n，I+prep(from)](fig)：～joy/kindness/enthusiasm 表现出很高兴/友好/热情的样子;～confidence/inner contentment 显示出有信心/内心很满足的样子;joy that～s from sb's eyes某人目光中流露出的快乐;There was a tenderness that～d from her. 她给人一种温柔的感觉。

→͵radi′ation n 辐(放)射;射线;辐射物;′radiator n 辐射器，散热器;′radiant adj 发(辐)射的;(眼里，脸上高兴的)发亮;散发热或能量的;n 辐射状轮胎