密布 (mì bù): เพื่อให้ครอบคลุมอย่างหนาแน่น

The night sky is densely covered with stars, very spectacular.

This area is densely covered with rivers and rich in water resources.

The battlefield was densely covered with gun smoke, and the situation was very critical.

The forest is densely covered with trees, and sunlight can hardly penetrate.