A Serodiscordant (sero-discordant) or magnetic relationship is one in which one partner is HIV positive and the other is HIV negative.() This contrasts with seroconcordant relationships in which both partners are of the same HIV status (i.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。