| 释义 |
The amounts of radioactivity present were infinitesimal.存在的放射量极小。The genes are mutated by irradiation or chemicals.基因会因为放射或化学药物而发生突变。Professor Williams is one of the world's leading specialists in radiotherapy.威廉斯教授是世界上顶尖的放射治疗专家之一。Callahan posits that chemical elements radiate electromagnetic signals.卡拉汉假定化学元素放射电磁信号。The scientists are keeping a record of radioactive levels in the area.科学家正在对该地区的放射水平作记录。 |