OPNn.开OPabbr.观测点(=Observation post)Ophiopteron elegansn.美鳍棘蛇尾Opisthorchis analis[医] 鸭后睾吸虫Opioid intoxication阿片中毒ophthalmia hepatica肝性眼炎ophthalmic migraine眼性偏头痛Ophiothrixnereidinan.美妙刺蛇尾ophthalmic opticiann.(有眼科证书的)光学眼镜配镜师Opuntia dilleniihaw仙人掌op-tical parallax视差ophthalmomicroscope检眼显微镜