英文關鍵字
addiction
agriculture
arable
background
big
burley
chewing
cigar
cigarette
close
crop
dry
evaporation
farm
farmer
farming
fertile
field
garden
green
growing
harvest
harvesting
indian
industry
isolated
land
landscape
leaf
moisture
narcotic
nature
nicotine
organic
pick
plant
plantation
poland
polish
smoke
snuff
soil
south
taste
tobacco
toxic
virginia
wood
yellow