英文關鍵字
abstract
aromatic
atom
balls
black
carbon
chemistry
compound
cresol
dna
element
file
gaseous
grey
hd
hollow
hydroxytoluene
illustration
industrial
into
isolated
isomer
laboratory
large
liquid
looking
meta
metacresol
methylphenol
molecular
molecule
nanotube
oil
organic
oxygen
phenol
production
rotating
science
structural
structure
substance
synthesis
synthetic
video
water
white