1、9的英文：nine。2、读音；英 [naɪn]，美 [naɪn]。 3、num.九;九个;第九。4、n.九，九个。adj.九的，九个的。5、More than 30 horses have been mutilated in the last nine months.在过去9个月里，超过30匹马受了重伤。6、The couple wed late at night in front of just nine guests.深夜这对情侣在仅有的9位宾客面前举行了礼。
