dense wood

例句：

1. 1. The forestis dense with trees.
   森林里树木茂密。
2. 2. The soil is very dense, makingit difficult to dig.
   土壤非常密集，挖起来很困难。
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。