abbr. 光路差异(optical path difference) the s (p, d, f) orbital s(p,d,f): 轨道godwin o p obasi: 戈德温奥巴西o-benzyl-p-chlorophenol: 对氯酚o-chloro-p-toluidine: 邻氯对甲苯胺p o b: 邮政信箱下载手机词典可随时随地查词查翻译