1
the underdevelopment of sth
使用 of 说明欠发达的具体对象。
The underdevelopment of basic infrastructure hampers economic growth.
基本基础设施的不发达阻碍了经济增长。
欠发达；发展不充分；不发达
先理解核心含义，再看它在真实句子里的用法。
欠发达；发展不充分；不发达
the state of not being developed enough
The underdevelopment of basic infrastructure hampers economic growth.
基本基础设施的不发达阻碍了经济增长。
欠发达状态。
The condition of being underdeveloped.
The underdevelopment of the village's water system forces residents to walk far for clean water.
该村供水系统的不发达迫使居民为获得干净水而走很远的路。
A lack of schools is one sign of underdevelopment in a rural area.
缺乏学校是农村地区发展不足的一个标志。
Experts blame the underdevelopment of local transport for the region's isolation.
专家将该地区的孤立归咎于当地交通的不发达。
使用 of 说明欠发达的具体对象。
The underdevelopment of basic infrastructure hampers economic growth.
基本基础设施的不发达阻碍了经济增长。
指某个领域或地区的欠发达状况，后接领域或地点。
Underdevelopment in education can trap communities in poverty.
教育方面的欠发达可能使社区陷入贫困。
固定搭配，表示“遭受欠发达问题”。
Many rural areas suffer from underdevelopment and lack of services.
许多农村地区饱受欠发达和服务匮乏之苦。
Not this
Some people think that the country is underdevelopment because of its poor infrastructure.
Use this
Some people think that the country is underdeveloped because of its poor infrastructure.
underdevelopment 是名词，表示‘不发达/欠发达’的状态，不能放在系动词 is 后作表语。应改用形容词 underdeveloped，这样句子结构为‘主语 + be + 形容词’，含义保持不变。
Not this
The underdevelopment of economy is a serious problem for many countries.
Use this
The underdevelopment of the economy is a serious problem for many countries.
在 underdevelopment of ... 这个结构中，被修饰的对象是特指的某个国家的经济，需要用定冠词 the 限定 economy。汉语没有冠词，所以学习者容易漏掉 the；加上 the 后名词短语才完整、指代明确。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
经济欠发达
Economic underdevelopment often leads to social instability.
经济欠发达常常导致社会不稳定。
长期欠发达
Chronic underdevelopment keeps these villages poor.
长期欠发达使这些村庄一直贫困。
遭受欠发达之苦
Many developing countries suffer from underdevelopment.
许多发展中国家遭受欠发达之苦。
欠发达程度
Researchers measured the level of underdevelopment in the region.
研究人员衡量了该地区的欠发达程度。
欠发达的成因
The book explores the historical causes of underdevelopment.
这本书探讨了欠发达的历史成因。
胶片显影不足
Underdevelopment of the film results in faint images.
胶片显影不足会导致影像淡薄。
拉丁美洲的不发达是其融入国际体系的结果。
Eduardo Galeano's 1971 classic Open Veins of Latin America, a landmark of Latin American political economy.
出自爱德华多·加莱亚诺1971年的经典著作《拉丁美洲被切开的血管》，这是拉丁美洲政治经济学的里程碑。
不发达不是发展的缺失，因为每个民族都以某种方式并在不同程度上发展了。
Walter Rodney's 1972 book How Europe Underdeveloped Africa, a foundational work in dependency theory.
出自沃尔特·罗德尼1972年的著作《欧洲如何使非洲不发达》，这是依附理论的奠基性著作。
Use underdevelopment naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
under-（不足）+ development（发展），想象经济曲线远低于正常线，即“不发达、发展不充分”。
语域：mixed 常见场景：development economics / international relations、photography / film processing 通常多用于正式或学术语境，尤其在讨论国家或地区经济发展时；在摄影中指“显影不足”，属于专业技术用语。日常口语中较少见。
Development, redevelopment, envelopment and overdevelopment rhyme with underdevelopment, all ending in /veləpmənt/. Undeveloped and underdeveloped look similar but end in /veləpt/, so they do not rhyme.
Dictionary facts from ECDICT, WIKTIONARY.