研究人员把不同的香水喷洒在树桩上，或是在动物生活的环境中放上肉桂及其他香料，观察它们对于不同气味所做出的反应。
The wildlife workers test the animals' response to various scents by spraying tree stumps with different perfumes or placing cinnamon or other spices in the animals' environment.
赖斯说气味在动物的生活中起着很重要的作用，“我们让布朗克斯动物园里的非洲豹试了各种香水，从廉价的到昂贵的。”
Reiss said smell is essential to the lives of animals. "With our cheetahs at the Bronx Zoo, we worked from inexpensive perfumes to expensive perfumes," she said.
赖斯说气味在动物的生活中起着很重要的作用，“我们让布朗克斯动物园里的非洲豹试了各种香水，从廉价的到昂贵的。”
Reiss said smell is essential to the lives of animals. "With our cheetahs at the Bronx Zoo, we worked from inexpensive perfumes to expensive perfumes," she said.
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