apparent brightness的用法和樣例：
例句
- By gauging the redshift and apparent brightness of a large number of supernovae located at a variety of distances, researchers can create a record of the universe's expansion.
藉由調校大量位于不同距離的超新星紅移和表觀(guān)亮度，研究人員可造出一組宇宙膨脹的記錄。 - All the cubes have the same brightness now, but I would like to have a falloff in brightness.
現在所有的立方體有相同的亮度，但是我想要有一個(gè)在亮度中減少。
