Pheromone trail

• 信息素

Pheromone trail的用法和样例：

例句

1. The shorter the path between cities, the less the pheromone evaporated.
   城市间的路径越短，信息素挥发得越少。
2. Howeer, don't put any stock in those pheromone perfumes on the market.
   尽管如此，不要把任何钱花在市场上关于这些信息素的香水上。