英漢例句雙語例句Objective To summarize the experience in treating mitral insufficiency (MI), due to secondary annular dilation in the posterior portion of the annulus with mitral valve reconstruction.目的總結(jié)二尖瓣后環(huán)縫縮治療二尖瓣關(guān)閉不全（MI）的臨床經(jīng)驗。mitral (valve) insufficiency更多例句