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appetitive adj.食欲上的,增進食欲的,開胃的。

appetizer

Vergoz et al . ( p . 348 see the perspective by galizia ) found that exposure to queen pheromone leads to a reduction in aversive learning but not a reduction in appetitive learning in young honeybees 蜂后能分泌一種生化信息素,它能降低工蜂的親疏能力但并不降低他們的生產能力,即讓別人的孩子認她為親,為她干活。