二尖瓣

mitral valve (physiology)

two / 2 / (Beijing dialect) stupid

point (of needle) / sharp / shrewd / pointed

pointed; tapering; sharp / (of a sound) shrill; piercing / (of one's hearing, sight etc) sharp; acute; keen / to make (one's voice) shrill / sharp point; tip / the best of sth; the cream of the crop

petal / segment / clove (of garlic) / piece / section / fragment / valve / lamella / classifier for pieces, segments etc

mitral stenosis (physiology)