色欲tv国产亚洲_久久午夜夜伦鲁鲁影院_一级特黄无码A片在线观看_免费黄色性感一级片_国内破女处破苞视频hd_欧美三级少妇免费_亚洲美腿丝袜福利一区_白丝秘书被躁到高潮视频av_91麻豆精品分享的内容是很丰富的_国产原创免费av网站

obtund

英 [?b't?nd] 美
  • vt. 使緩和，使遲鈍；減輕

詞態(tài)變化

第三人稱單數(shù):?obtunds;過去式:?obtunded;過去分詞:?obtunded;現(xiàn)在分詞:?obtunding;

中文詞源

obtund 使遲鈍，緩和

ob-,向前，朝向，-tund,擊，打，使鈍化，來自PIE*steu,擊，打，詞源同obtuse,contusion,type.

英文詞源

obtund (v.)
c. 1400, (transitive) "to render dead, make dull," used occasionally in English, especially in medical jargon; from Latin obtundere "to blunt, make dull, weaken, exhaust," literally "to beat against" (see obtuse). Related: Obtundation; obtunded.