prexyn.主管人;学院院长
PREabbr.Petroleum Refining Engineer炼油工程师
precipitometer沉淀计
preconceptions前概念
pre-teaching预先教学
Premelle Cycle倍美盈(含conjugated estrogens; medroxyprogesterone acetate)
pre-ripeningn.预熟成
premixed gases预混气体
preanal region臀前域
preater pelvis大骨盆
Pre-Silurianadj.志留纪前的
preceding limb前导边缘