英文關鍵字
art
aura
background
black
blurry
boiling
breezy
bubbling
chemical
chemistry
clou
cloud
concentration
cosy
dioxide
down
dream
dusk
element
energetic
fantasy
fog
form
full
gas
gaseous
glossy
grace
graceful
heated
imagination
infinity
loose
modern
motion
mystical
oxygen
particle
physics
polished
progress
purity
reagent
relaxed
rise
rolling
sample
serenity
silhouette
silky
sleek
smog
smoke
smokey
smoky
soul
space
speed
spirit
steam
substance
substances
toxic
toxins
wave
wispy