英文關鍵字
art
artist
branch
celebration
christmas
cold
color
concept
december
design
designer
drafting
draw
drawing
ecology
elements
evergreen
fir
forest
freehand
frost
green
hand
holiday
illustration
merry
natural
nature
new
painting
park
pencil
picture
pine
plant
season
sketch
sketching
snow
style
summer
symbol
tree
vacations
weather
white
winter
wood
xmas
year