luminous object

• 发光体

luminous object的用法和样例：

例句

1. The brilliance of a luminous object may, of course, be different in different directions.
   一个发光体的辉度，当然因方向不同而异。
2. We looked up in the night sky and saw something luminous, which we thought was a UFO.
   我们仰望夜空，看见一个发光体，我们认为那是飞碟。