(of land )土地 not used for farming, industry, building, etc. 未開墾的;未利用的;未開發的 undeveloped countryside 未開發的農村
(of a country )國家 not having modern industries, and with a low standard of living ‘A developing country’ is now the usual expression.不發達的;落後的 not grown to full size 發育不良的;未充分發育的 undeveloped limbs 發育不全的四肢
compare underdeveloped