dense lymphoid tissue

例句：

1. 1. The dense forest is home to many rare species of birds and animals.
   密集的森林是许多稀有鸟类和动物的家园。
2. 2. The dense fog obscured the view of the distant mountains.
   浓密的雾使远处的山峦变得模糊不清。
3. 3. The dense layer of soil prevents light from penetrating deep into the earth.
   浓密的土壤层阻止光线深入地下。