甲磺酸：为一腐蚀性、毒性酸，用作催化剂及溶剂。其化学式为CH3SO2OH- prebrachium
- precancer
- precancerosis
- precancerous
- precapillary
- precarcinomatous
- precardium
- precartilage
- precava
- precementum
- precentral
- prechordal
- precipitable
- precipitant
- precipitate
- precipitation
- precipitin
- precipitinogen
- precision
- preclinical
- precocious
- precocity
- precognition
- precollagenous
- precoma