placental respiration

例句：

1. 1. The placental respiration is essential forthe growth and development of the fetus.
   胎盘呼吸对于胎儿的生长和发育至关重要。
2. 2.Researchers have discovered that placentalrespiration plays a crucial role in themetabolism of glucose.
   研究人员发现胎盘呼吸在葡萄糖代谢中起着关键作用。
3. 3. In addition toits role in energy production, placental respiration also helps maintain the balanceof nutrients in the mother's blood.
   除了在能量生产中的作用外，胎盘呼吸还有助于维持母亲血液中营养物质的平衡。