pin-up
noun [ C ] uk/ˈpɪn.ʌp/ us/ˈpɪn.ʌp/
名人（或美人）海报;裸露美人图片
a picture of a sexually attractive and usually famous person, especially someone wearing few clothes
Every wall in her bedroom was covered with pin-ups of her favourite pop star. 她卧室里的墙上挂满了她最喜欢的流行歌星的图片。
informal海报中的名人（或美女）;裸露美人图片中的模特
a person who is seen in pin-ups
With his perfect college-boy looks, he's the latest teenage pin-up. 因为有着帅气的大学生般的外表，他成为了最新的青少年偶像。