英文關鍵字
air
antioxidant
atoms
background
chemical
chemistry
compound
dioxide
e220
formula
full
gas
model
molecular
molecule
oxygen
pollutant
preservative
so2
structure
sulfite
sulfur
sulphur
toxic
video
winemaking
英文關鍵字
air
antioxidant
atoms
background
chemical
chemistry
compound
dioxide
e220
formula
full
gas
model
molecular
molecule
oxygen
pollutant
preservative
so2
structure
sulfite
sulfur
sulphur
toxic
video
winemaking