| 1. | Now many scientists are studying fetal development .
目前许多科学家正在研究胎儿的发育。 |
| 2. | Hematopoiesis of the other blood elements occurs in the fetal spleen .
其他血液成分的生成发生在胎儿脾脏。 |
| 3. | The stem cells of lymphocytes are in the liver in fetal development and in the bone marrow in postnatal life .
淋巴细胞的干细胞，在胎生期来自肝脏，出生后则由骨髓产生。 |
| 4. | In the mid-1950s it was found that fetal cells in the amniotic fluid could be used to determine fetal sex and blood type .
在50年代中，人们发现羊水中的胎儿细胞能用来确定性别和血型。 |
| 5. | Clinical study on fetal encephalic fluid
产前超声检查诊断胎儿颅脑积液的临床研究 |
| 6. | Isolation and culture of bovine fetal fibroblasts
牛胎儿成纤维细胞分离与体外培养 |
| 7. | - stay calm . get in the fetal position . - oh , god
-保持冷静.做胎儿的姿势-噢,上帝 |
| 8. | Prenatal fetal lungs ' maturity - accelerating therapy
产前促胎肺成熟治疗的研究进展 |
| 9. | What is the anesthetic significance of fetal sentience
胎儿感觉有何临床意义？ |
| 10. | Stay calm . get in the fetal position . - oh , god
保持冷静.做胎儿的姿势-噢,上帝 |
