英文關鍵字
agriculture
autumn
ball
bio
biological
boll
botany
branch
brown
closeup
cloths
concept
cotton
crop
cultivated
dried
environment
farm
farming
fiber
field
flower
fluffy
gossypium
grow
growth
harvest
industry
moree
natural
nature
organic
penetration
pleasant
production
purity
ripe
safe
sewing
smooth
soft
softness
stem
surface
white