英汉例句雙語例句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.目的縂結二尖瓣後環縫縮治療二尖瓣關閉不全（MI）的臨牀經騐。mitral (valve) insufficiency更多例句