[viˈvipərəs]
胎生的：所怀活的幼儿直接从母体获得营养的- preataxic
- preaurale
- preauricular
- preaxial
- prebacillary
- prebase
- prebeta-lipoprotein
- prebetalipoproteinemia
- prebiotic
- prebrachium
- precancer
- precancerosis
- precancerous
- precapillary
- precarcinomatous
- precardium
- precartilage
- precava
- precementum
- precentral
- prechordal
- precipitable
- precipitant
- precipitate
- precipitation