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- Results of radioactive trace experiments showed that the absorption of 134Cs and 65Zn by Perna viridis was selective. 示踪实验结果说明,翡翠贻贝对~(134)Cs和~(65)Zn是有选择性吸收的。
- Radioactive ray is material thing. 放射线是实际的物质。
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- The bed bore traces of having been slept in. 那张床上留有被人睡过的痕迹。
- The book traces the development of philosophy. 该书追溯了哲学的发展过程。
- A certain discharge of possible radioactive effluent. 一定量的可能有放射性的废水。
- He traces his descent back to an old norman family. 他追踪自己的世系上溯至一个古老的诺曼家族。
- I can't trace that letter you sent me. 我找不到你寄给我的那封信。
- He spoke without a trace of emotion. 他说话时毫不动感情。
- He traces his family back to about the fifteenth century. 他把他的家世追溯到十五世纪前後。
- Did the police find any trace of the murderer? 警方找到凶手的行踪了吗？
- They failed to find any trace of the runaways. 他们未能找到逃跑者的任何踪迹。
- There was barely a trace of salt in the soup. 汤里简直一点盐也没有放。
- 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 post office tried to trace the lost letter. 邮局设法查出那封丢失的信。
- The kids are learning to trace the letter. 孩子们学描字母。
- He always spoke with a trace of sarcasm. 他说话总带着一丝讽刺。
- 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
- The cake on analysis was found to contain traces of toxin. 经分析发现蛋糕里含有微量的毒素。
