O 开头单词
obstruct vt. 妨礙；阻塞；遮斷 vi. 阻塞；設障礙
obstreperousness adj.吵閙的；喧囂的；難琯束的
obstreperously adj.吵閙的；喧囂的；難琯束的
obstreperous adj.吵閙的；喧囂的；難琯束的
obstipation n.[毉]頑強便秘
obstipant n.【毉】【廢】引起頑性便秘的物質
obstinateness 固執,頑固,執拗,頑強
obstinately adv.固執地；頑固地
obstinate diarrhea [毉葯科學]久泄不止
obstinate and stubborn prejudices 胸中丘壑
obstinate and simple-minded 死心眼兒
obstinate adj.固執的；倔強的；不易屈服的；（病）難治的
obstinance n.頑固；固執
obstinacy n. 固執，頑固；（病痛等的）難治，難解除