0 a narrow beam of light, heat, etc. travelling in a straight line from its place of origin:
1 a small amount of a feeling that makes you feel happier or more full of hope:
2 a large, flat sea fish with a long, narrow tail
4 a narrow beam of light, heat, or energy
The room was small and dark, without so much as a ray of light to brighten the gloom.
The alarm emits infra-red rays which are used to detect any intruder.
Through the window came the last few oblique rays of evening sunshine.
In the last two cases the image ray visits only finitely many times.
This is not to say that the visual ray account really does reduce spatial perception to immediacy.
A unique subtype of wide-field amacrine cell region corresponding to eccentricities of 0.6-2.5 mm from the medullary rays.
中文繁体
光束, 光線,光束, (熱能等的)輻射線…
More中文简体
光束, 光线,光束, (热能等的)辐射线…
MoreEspañol
rayo, rayo [masculine, singular]…
MorePortuguês
raio…
More日本語
光線, 熱線, (放射エネルギーの)線…
MoreTürk dili
ışın, şua…
MoreFrançais
rayon [masculine], rayon, lueur…
MoreCatalan
raig…
More