1. The general ambushed his troops in the dense woods. 将军把部队埋伏在浓密的“树林”里。
2. On the horizon, a huge cloud of dense smoke from the burning oil well stretched across the sky. 在地平线上，由油井燃烧形成的一大团浓厚的烟雾横过天空。扩展，延伸，延续。
3. Voice Over: In a large dense forest, there is a lovely bird and a lush tree, they are a pair of good friends. 旁白：在一片茂密的大森林里，有一只可爱的小鸟和一棵茂盛的的大树，他们是一对好朋友。
英英解释
adj.
1. permitting little if any light to pass through because of denseness of matter
2. having component parts closely crowded together
3. hard to pass through because of dense growth
4. having high relative density or specific gravity
5. slow to learn or understand; lacking intellectual acuity
