您要查找的是不是：
- Radioactive ray is material thing. 放射线是实际的物质。
- Their marriage has been going through a bad patch. 他们的婚姻正处在困难时期。
- The lorry went into a spin on a patch of ice. 卡车在一片冰地上打滑了。
- Her latest novel isn't a patch on her others. 她这部新小说比以前所写的差得远。
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- The flowers made white patches against the grass. 绿色草地上点缀着簇簇白花。
- The brown hills were relieved by patches of green. 褐色的山上点缀着一片片的绿色植物就不显得单调了。
- A certain discharge of possible radioactive effluent. 一定量的可能有放射性的废水。
- The boy's trousers need a patch on the knee. 这孩子的裤子膝盖上需要打个补丁。
- He tried to patch up their quarrel. 他试图平息他们之间的争吵。
- She inserted a patch in the sleeve. 她给袖子打了个补丁。
- The child's jeans had a patch at the knee. 这孩子的裤子在膝盖处有一块补钉。
- There was a patch of garden behind the house. 屋後有一小块园地。
- He wears a black patch over his right eye. 他右眼上戴著黑色的眼罩。
- Our firm has just struck a bad patch. 我公司刚遭厄运。
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- The gauze patch applied to his wound is dirty. 裹在他伤口上的纱布脏了。
- The stirrup leathers rubbed raw patches on his legs. 马蹬皮带把他腿上的皮肤擦伤引起疼痛。
- A naturally occurring or artificially produced radioactive element. 放射性元素自然产生或人为制造的放射性元素
- A radioactive compound used in radiotherapy or diagnosis. 放射性药剂一种用于放射性治疗或诊断的放射性化合物
