dense map continuous

例句：

1. 1. The forest was dense with trees.
   森林里树木茂密。
2. 2. The soil is very dense and hard to dig.
   土壤非常密集，很难挖动。
3. 3. The dense fog obscured the view of the distant mountains.
   浓雾使远处的山峦变得模糊不清。