underpopulated /ˌʌndəˈpɒpjʊˌleɪtɪd/

• 1.  

  ADJ（形容词） You describe a country or region as underpopulated when it could support a much larger population than it has. 人口不足的

  例：

  Many of the islands are mainly wild and underpopulated.

  那些岛屿中的许多都是荒凉且人烟稀少的。