radioactive nature

• 放射性起源,放射特性

radioactive nature的用法和样例：

例句

1. Water, as it occurs in nature, is never very pure.
   由于水起源于自然界，从来不是很纯的。
2. Door-god worship originated from nature and manitou worship in ancient times.
   门神崇拜起源于人类远古时期的自然崇拜观念和神灵信仰观念。