placental transmission

例句：

1. 1.Placental transmission is a process wherethe fetus receives nutrients from themother's placenta.
   胎盘传播是一种过程，其中胎儿从母亲的胎盘中接收养分。
2. 2. In placental transmission,the fetus receives nutrients directly fromthe mother's placenta.
   在胎盘传播中，胎儿直接从母亲的胎盘中接收养分。
3. 3. The study of placental transmission has important implications for understanding howdiseases are transmitted from mother to child.
   胎盘传播的研究对于理解疾病是如何从母亲传给孩子的具有重要意义。