PAML 释义：[=prolapse of anterior mitral leaflet]三尖瓣前叶脱垂 tricuspid first heart sound 释义：三尖瓣区第一心音 premature tricuspid closure 释义：三尖瓣提前关闭 ..
双语例句
1
According to the valvular theory, the vibrations affected by the mitral and tricuspid valves closure in early systole produce the firstheartsound (S1). S1 usually includes many frequency components.