英文關鍵字
agricultural
agriculture
agronomist
agronomy
biologist
business
checking
communication
control
couple
cultivation
engineer
examining
experience
experiment
farm
farmer
farming
farmland
fertile
field
industrial
industry
looking
magnifier
man
nature
occupation
outdoor
pointing
production
professional
prosperity
quality
research
researcher
results
rural
science
scientist
seed
summer
team
test
uniform
vegetable
woman
workers
working