名词胶棉; 火棉胶（药品名）
1. Luo is one of the first prominent Chinese photographers to shoot with collodion wet plates in China.
2. He has turned the clock back 160 years, swapping his digital SLR for an antique large format camera and wet plate collodion.
noun
1. collodion什么意思
1. a colorless syrupy solution of pyroxylin in ether and alcohol
used as a coating for wounds or photographic films