您要查找的是不是：
- radioactive strontium shell 放射性锶壳
- The age--dependent metabolic modelsin organ and/or body of Tritium, Iodine--131, Caesium--137, radioactive Strontium,Radium and Plutonium were reported. 已报道了氚、碘-131、铯-137、放射性锶,镭和钚等核素与年龄有关的在体内器官的代谢模型。
- Radioactive ray is material thing. 放射线是实际的物质。
- Keep down of you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The snail retreated into its shell. 蜗牛缩进壳里去了。
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- radioactive strontium [医] 放射性锶
- A shell splinter embedded itself in the wall above his head. 在他头上方的墙壁上嵌有一块小小的贝壳片。
- radioactive strontium disc 放射性锶盘
- The building was burned to a shell. 大楼被烧得只剩下空骨架。
- The despair left him a mere shell of a man. 他陷入绝望，形同躯壳。
- She crumbled an empty snail shell in her fingers. 她用手指捏碎了一个空蜗牛壳。
- A certain discharge of possible radioactive effluent. 一定量的可能有放射性的废水。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- Keep down or you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The building was destroyed by an artillery shell. 这座建筑物被炮弹炸毁了。
- Having a shell consisting of two hinged valves. 双瓣壳的有由两个开合的瓣组成贝壳的
- 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。
- 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
