negative test短语¹⁴⁴⁹⁷²⁺² 基本例句 负结果,负检验,反试验 Unless a mutation is identified in the family, a negative test result doesn't provide reassurance. 易感基因检测呈阴性还不能说明问题，家族成员有无病史才是关键。 hzcnc Think about this: if you got a negative test at six weeks, would you believe it? 想想这个吧：如果你得到一个六周阴，你会相信么？ kangfu360.com