sex object
noun [ C ] uk/ˈseks ˌɒb.dʒɪkt/ us/ˈseks ˌɑːb.dʒɪkt/
性交对象;性感尤物
If you consider someone to be, or you treat someone like a sex object, you are only interested in them sexually, and not as a person.
She wanted to be regarded as more than just a sex object. 她希望得到认真对待，而不是仅仅作为性交对象。