prenatal development

• 生前发育

prenatal development的用法和样例：

例句

1. Effect of prenatal exposure to low dose beta radiation from tritiated water on postnatal growth and neuro-behavior of rats.
   出生前氚水照射对仔代大鼠生长发育及神经行为的影响。
2. It will be particularly difficult to compensate for genes that malfunction during fetal development.
   用健康基因置换那些胎儿发育时功能就不正常的基因时效果尤其不佳。
3. A lack of food can stunt growth, slow thinking, sap energy, hinder fetal development and contribute to mental retardation.
   缺少食物会阻碍发育，降低思考能力，消耗能量，阻碍胎儿发育并且导致精神发育迟缓。