«Lux | Arco-íris e decomposição de cores (07/09/19)» in Portuguese with a Parallel Translation

Original title: 
Lux | Arco-íris e decomposição de cores (07/09/19)
Creator: 
UFPR TV
Genres: 
Knowledge
Language: 
Portuguese
Difficulty: 
B1
Duration: 
00:04:42