Prent了酰心安, 塞克塔尔[抗高血压药]
PREabbr.Petroleum Refining Engineer炼油工程师
precensorshipn.预先检查
prenouncement公告,声明
pre-aerator前置掺气坎
preemploymentn.雇用前的;录用前的
predefecation(制糖)预[初步]澄清
pregnenetriol妊烯三醇
pre amplifier前置放大器
precompressedadj.预压的
preheated air预热空气
pre-teacher职前教师