adj.未充分发育或发展的，（国家等）经济不发达的，足的v.（使）发展不完全，（使）显影不足( underdevelop的过去式和过去分词)...

His theory was inapplicable to many underdeveloped economies.他的理论对很多欠发达经济体都不适用。The prints were underdeveloped.这些照片显影不足.We must make benefits of our scientific advances for the improvement and growth of underdeveloped are...

underdeveloped的音标：underdeveloped的英式发音音标为：[ˌʌndədɪ'veləpt]underdeveloped的美式发音音标为：[ˌʌndərdɪ'veləpt]...

We must make benefits of our scientific advances for the improvement and growth of underdeveloped areas.为了尚未开发地区的改善和发展,我们必须以我们的科学进步向他们提供援助.And there is the enormous underdeveloped hinterland with excess rural population....