英汉词典

1. 辐射；(从中心)发散
    If things radiate out from a place, they form a pattern that is like lines drawn from the centre of a circle to various points on its edge.

    e.g. ...the various walks which radiate from the Heritage Centre...
           从遗产中心向四周延伸出的许许多多步行道
    e.g. From here, contaminated air radiates out to the open countryside.
           被污染的空气从这里扩散到开阔的乡村地区。

2. 流露，显示（情感）
    If you radiate an emotion or quality or if it radiates from you, people can see it very clearly in your face and in your behaviour.

    e.g. She radiates happiness and health...
           她看起来幸福而健康。
    e.g. Her voice hadn't changed but I felt the anger that radiated from her.
           尽管她声音没变，但我还是感受到了她所流露出的怒气。

3. 散发（热）；发射（光）
    If something radiates heat or light, heat or light comes from it.

    e.g. Stoves are meant to radiate heat.
           炉子就是要发热的。