luminous sign

• 发光

luminous sign的用法和样例：

例句

1. These reactions are not luminous.
   这些反应是不发光的。
2. Sun is their luminous heated hot gas planet.
   太阳是自己发光发热的炽热的气体星球。
3. The sign of the restaurant is very big.
   这家饭店的标志非常大。
4. Many of those who abstain consider smoking a sign of weakness or intemperance.
   许多戒烟者将吸烟视作软弱或放纵的标志。