trail pheromone

例句：

1. 1.The scent of the trail pheromone is strong enough to guide animals through dense forests.
   这种踪迹信息素的气味足够强烈，可以引导动物穿越茂密的森林。
2. 2. Researchers have found that the trail pheromone plays a crucial role in the mating behavior of some species.
   研究人员发现，某些物种的踪迹信息素在求偶行为中起着至关重要的作用。
3. 3. The trail pheromone has been used as a tool for studying animal behavior and communication.
   踪迹信息素被用作研究动物行为和沟通的工具。