O 开头单词
obstruct vt. 妨碍；阻塞；遮断 vi. 阻塞；设障碍
obstreperousness adj.吵闹的；喧嚣的；难管束的
obstreperously adj.吵闹的；喧嚣的；难管束的
obstreperous adj.吵闹的；喧嚣的；难管束的
obstipation n.[医]顽强便秘
obstipant n.【医】【废】引起顽性便秘的物质
obstinateness 固执,顽固,执拗,顽强
obstinately adv.固执地；顽固地
obstinate diarrhea [医药科学]久泄不止
obstinate and stubborn prejudices 胸中丘壑
obstinate and simple-minded 死心眼儿
obstinate adj.固执的；倔强的；不易屈服的；（病）难治的
obstinance n.顽固；固执
obstinacy n. 固执，顽固；（病痛等的）难治，难解除