英汉词典

1. 光线；光束
    Rays of light are narrow beams of light.

    e.g. ...the first rays of light spread over the horizon...
           地平线上出现的第一缕曙光
    e.g. It can be seen clearly in a ray of sunlight or under a lamp...
           它在阳光或灯光下清晰可见。

2. 一丝，一线（希望、慰藉等）
    A ray of hope, comfort, or other positive quality is a small amount of it that you welcome because it makes a bad situation seem less bad.

    e.g. They could provide a ray of hope amid the general business and economic gloom...
           在普遍的商业和经济低潮中，他们能带来一线希望。
    e.g. The one ray of sunlight in this depressing history is her meeting and falling in love with Martin.
           在这段阴郁的时期，遇到并爱上马丁成为她唯一的一丝慰藉。

3. 鳐;魟
    A ray is a fairly large sea fish which has a flat body, eyes on the top of its body, and a long tail.