基本解释死胎英汉例句双语例句Conclusion: The infection of human parvovirus B19 exists in the pregnant women in Zhengzhou, which may explain the unidentified reason abortion or stillborn foetus.结论：郑州市孕妇中存在人微小病毒B19的感染，可能导致不明原因流产或死胎。stillborn foetus更多例句