这是胎儿形成过程中令人疑惑的挑战之一：在胚胎成长过程中，这种对称和不对称的组合是如何进化出来的？
It is one of the intriguing challenges of foetal development how this combination of symmetry and asymmetry evolves as an embryo grows.
根据杜克大学辐射安全部门的说法，快速的组织如胚胎和胎儿对辐射更加敏感。
According to Duke University's radiation Safety Division, rapidly dividing tissues - an embryo or fetus is a good example - are more sensitive to radiation.
新的研究准备探索胚胎发育领域，看怀孕期间接触双酚a是否会对胎儿发育产生毒害作用。
New studies are looking to embryonic development, to see whether BPA exposure during pregnancy is having any deleterious effects on development.
应用推荐