不发达 underdevelopment
- 许多不发达国家都拥有自然资源。
Many underdeveloped countries own their natural resources. - 我说:“人类的科学实在太不发达了。
I said:”Human's science is so underdeveloped. - 在一些不发达的国家,伐木业十分重要。
Lumbering is very important in some underdeveloped countries.
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