developing country
US /dɪˈvel.ə.pɪŋ ˈkʌn.tri/
UK /dɪˈvel.ə.pɪŋ ˈkʌn.tri/

1.
发展中国家
a country with a less developed industrial base and a low Human Development Index (HDI) relative to other countries
:
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Many international organizations provide aid to developing countries.
许多国际组织向发展中国家提供援助。
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Improving education is crucial for the growth of developing countries.
改善教育对发展中国家的增长至关重要。