obumbrant adj.[動]懸垂的obtusion n. [內(nèi)科] 感覺遲鈍obtusest adj.鈍的；不尖的；鈍角的；愚鈍的obtuser adj.鈍的；不尖的；鈍角的；愚鈍的obtuseness 感覺遲鈍obtusely serrate [生物學]鈍鋸齒的obtusely adv.鈍地；圓頭地obtuse-angulate 成鈍角的obtuse-angled triangle obtuse-angled n.鈍角obtuse-angle blade [動力與電氣工程]鈍角葉片obtuse triangle obtuse angle 鈍角obtuse (adj.) obtuse adj.鈍的；不尖的；鈍角的；愚鈍的obturator foramen 恥坐孔，[解剖] 閉孔obturator for cleft palate [醫(yī)藥科學]腭裂阻塞器obturator n. 閉孔肌 adj. 閉孔肌的，閉孔的obturation ballistics [軍事學]氣密彈道學obturation n.閉塞；密閉