英文關鍵字
3d
acid
additive
animation
aromatic
atom
ball
black
bond
carbinol
chemical
chemistry
compound
cresol
cresole
cresols
derivative
element
formula
hydroxytoluene
icon
industrial
isolated
isomer
isometric
kresol
lab
laboratory
liquid
model
molecular
molecule
monatomic
motion
odor
oil
organic
ortho
phenol
production
science
simple
solid
solvent
stick
structural
structure
substance
synthesis
synthetic
toxic