性取向
性取向（英语：sexual orientation），或称性倾向、性向，是指一个人对异性、同性或两性产生个持久情感，喜爱、爱情或性吸引个现象。通常，性取向可归纳为异性恋、同性恋、双性恋三类，而无性恋（对两性侪没性个吸引）则有辰光被视作性取向个第四类别。
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