a dense pine forest的用法和样例：
- Of the dense pine forest (below, photo by Wang Chih-i) that was once one of the sights at Eight Virtues Garden, only hacked and charred stumps (above) remain.
- There is a pine forest near our house.
- The itinerary from north to south is a compendium of Norwegian nature: thundering waterfalls,rushing mountain streams and roads that run along glaciers,after having gone through dense pine forests and coastal lakes and fjords.
- Traffic was interrupted by a dense fog.