catnip
noun [ U ] uk/ˈkæt.nɪp/ us/ˈkæt.nɪp/
(also catmint, /ˈkæt.mɪnt/ /ˈkæt.mɪnt/)假荆芥，樟脑草（因其香气吸引猫，而被称为猫草）
a herb whose smell is very attractive to cats
Idiom
be (like) catnip to sb/sthidiom 对某人（或物）有吸引力
to be certain to attract or interest a particular person or type of person
This kind of high school movie is catnip to teenagers. 这种关于中学生活的电影对青少年很有吸引力。