An underdeveloped country or region does not have modern industries and usually has a low standard of living. Some people dislike this term and prefer to use developing.
例句
Underdeveloped countries should be assisted by allowing them access to modern technology.應該通過提供現代技術來幫助不發達國家。...public-health problems in the underdeveloped world.不發達國家的公共衛生問題
英漢詞典釋義
adj.
(國家等)經濟不發達的
It’s in the underdeveloped eastern region of the country that the biggest problems exist.最大的問題存在于這個國家貧窮落后的東部地區。
<攝>顯影不足的
The prints were underdeveloped.這些照片顯影不足。
英英詞典釋義
Adjective
1. relating to societies in which capital needed to industrialize is in short supply
2. not yet fully developed
3. (of a photograph) lacking in contrast because it was left in the developer for less than the required time