radioactive element
中文翻译
常见例句
n a radioactive element of the actinide series
n any of a series of radioactive elements with atomic numbers 89 through 103
a radioactive element of the actinide series
any of a series of radioactive elements with atomic numbers 89 through 103 s
a highly unstable radioactive element (the heaviest of the halogen series)
相关词组
artificial radioactive element
[化] 人造放射性元素