The eastern part of the country is more thickly populated.

【thickly】该国东部地区人口比较稠密。

It was once thickly populated, and under cultivation, but for some cause had been abandoned.

它曾经人口稠密，被耕种，但由于某种原因被遗弃了。

The Divide is now thickly populated. The rich soil yields heavy harvests; the dry, bracing climate and the smoothness of the land make labor easy for men and beasts.

鸿沟现在人口稠密。肥沃的土地收获丰收；干燥宜人的气候和平坦的土地使人和牲畜的劳动变得容易。