luminous nucleon

例句：

1. 1. Thesun is a luminous source oflight.
   太阳是光的明亮来源。
2. 2. Thediamond is luminous in the dark.
   钻石在黑暗中闪闪发光。
3. 3. The moonis luminous when it'sfull.
   满月时月亮非常明亮。