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- With the different development degree of the stem, the distributions of anthraquinone compounds showed different characteristics in the epidermis, cortex, vascular bundle and pith rays. [结论]蒽醌类化合物在茎中的分布是多位点的，随着茎发育程度的不同，其表皮、皮层、维管束和位射线中蒽醌类化合物的分布表现出不同的特点。
- The pith of that theory is serving for people. 那个理论的精髓是为人民服务。
- A display device that uses a cathode ray tube. 一种使用阴极射线管的显示装置。
- That was the pith of his argument. 那就是他论据的要点。
- Radioactive ray is material thing. 放射线是实际的物质。
- A ray flower or the corolla of a ray flower. 舌状花舌状花或这种花的花冠
- The gun can fire invisible rays. 这枪能发出看不见的射线。
- My eyes were blinded by the direct rays of light. 在光线的直射下，我看不清楚东西。
- All eyes directed their rays on the hero. 所有人的目光都汇集到那位英雄身上。
- The researches are concerned with alpha rays. 这些研究是关于阿尔法射线的。
- A ray of sunlight pierced the clouds. 一缕阳光穿透了云层。
- I was left without a ray of hope. 我连一线希望也没有了。
- medullary ray; pith ray 髓(射)线
- Her visit brought a ray of sunshine into the children's lives. 她的来访给孩子们的生活带来了欢乐。
- Let's go to the beach and catch some rays. 让我们到海边享受点阳光
- Sight is made possible by rays of light impinging on the retina. 由于光线射到视网膜上,眼睛才看得见。
- The pith in the stems or roots of certain plants. 木髓某些植物茎或根中之髓质
- To remove the pith from(a plant stem). 去髓从（植物茎）中提取髓
- Ray take a gulp of coffee and rushed out of the room. 雷喝了一大口咖啡，接着便冲出了房间。
- Consisting of or resembling pith. 髓的，多髓的与髓有关的，由髓组成的
