n. a branch of an umbel or an umbelliform inflorescence
n. (mathematics) a straight line extending from a point
n. any of the stiff bony spines in the fin of a fish
n. cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
n. 光线, 射线, 闪烁, 光辉
vi. 射出光线, 浮现, 放射光线
vt. 放射, 显出
1. The sun sent a warm ray of light through the window.
阳光透过窗户洒下一道温暖的光线。
2. She was delighted to see a ray of hope in the difficult situation.
她很高兴在困难的情况下看到了希望的曙光。
3. The fish swam gracefully under the ray of sunlight.
鱼在阳光下优雅地游动。