胎体营养物

例句：

1. 1. The baby's growth requires a balanced diet of fetal nutrients.
   婴儿的成长需要均衡的胎儿营养物质。
2. 2. Fetal nutrition is crucial for the development of the fetus.
   胎儿营养对胎儿的发展至关重要。
3. 3. Researchers are studying the effects of different fetal nutrients on the growth of infants.
   研究人员正在研究不同胎儿营养物质对婴儿生长的影响。