underpopulated
adj. 人口稀少的
例句
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。
《柯林斯英汉双解大词典》
The richly endowed but underpopulated ivory coast.
肥沃富饶但人烟稀少的象牙海岸。
It was the right strategy in an underpopulated world.
对于一个人口稀少的世界而言,这样的策略无疑是正确的。