ADJ [usually ADJ n] (国家或地区)不发达的,欠发达的,经济落后的 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.
(国家或地区)不发达的,欠发达的,经济落后的 SYN developing, third-world
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