ray
音标发音
- 英式音标 [reɪ]
- 美式音标 [reɪ]
- 英式发音
- 美式发音
基本解释
- n.光线；射线；辐射
- vi.发光；辐射
- vt.释放射线；用光线装饰
- n.[动]鳐
- Ray.
- n.雷（人名）
词源解说
- 直接源自古法语的rai，意为光线；最初源自拉丁语的radius，意为光线。
同根派生
- 同根词
- 词根：ray adj.
- rayless无光线的；昏暗的
用法辨析
- ray的基本意思是“光束,光线”,一般指发光体如太阳或月亮等发出来的光线,也可作“射线”解,指热、电或其他形式的能的射线,用作这两种意思时,常以复数形式出现。
- ray还可作“一线”解,常与a与of连用,意思是“一线…”,表示微量、丝毫。
- ray用于比喻可指“智慧之光”。
n. (名词)
英汉例句
- In summer the sun's rays come to us much more than they do in winter.
夏天的日照要比冬天的多。
用作名词 (n.)
词组短语
- concentrate rays of light 聚光
- diffuse rays 扩散光线
- emit rays 射出光线,发光
- expose sth to rays 暴露于…光之下
- focus a ray 聚光
用作名词 (n.)
动词+～
英英字典
- (BEAM) a narrow beam of light, heat, etc. travelling in a straight line from its place of origin
- (SMALL AMOUNT) a small amount of a feeling that makes you feel happier or more full of hope
- (FISH) a large, flat sea fish with a long, narrow tail
- (MUSIC) the musical note re
- Rays of light are narrow beams of light.
- &rarrsee also X-ray
- 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.
- (of an object) to emit (light) in rays or (of light) to issue in the form of rays
- any of various marine selachian fishes typically having a flattened body, greatly enlarged winglike pectoral fins, gills on the undersurface of the fins, and a long whiplike tail. They constitute the orders Torpediniformes (electric rays) and Rajiformes
- (in tonic sol-fa) the second degree of any major scale supertonic
剑桥英英字典
柯林斯英英字典
专业释义
- 射线
The former includes X-ray, CT, MRI and ultra-sound imaging.
结构性成像包括:X射线成像,CT,磁共振成像,超声成像。 - 线
- 半直线
- 光线
A real ray tracing method was used to simplify the optical design of a Gaussian beam shaping system.
研究了真实光线追迹优化光学系统的方法以简化高斯光束整形系统的光学设计。物理学
- 光线
- 射线
Ray model is fit to forecast high frequence acoustic fields. If kh>100, ray model is accurate adequately.
射线模型适合高频声场预报,当kh>100时,其声场预报有足够高的精度。天文学
- (月球表面的)辐射纹
- 伞形花序枝
- 伞幅
- 腕
- 臂;射线
- 伞形花序枝;射枝
- 射线
- 射线;伞辐
- 辐肋
- 辐腕;条;伞形花序枝;星状毛分枝;边花
- 半直线；半径
- 线
- 射线
- 射线