From the left atrium the blood passes through the bicuspid valve into the right ventricle.来自左心房的血液通过二尖瓣进入右心室.An aortic valve need not be bicuspid to calcify.主动脉瓣并非是两个瓣叶的才钙化.Most bicuspid valves are prone to calcification...
I was ashamed at my clumsiness and insensitivity.我为自己的笨拙和麻木不仁感到羞愧。His clumsiness embarrassed him.他因自己的笨拙而感到尴尬。Ben's biggest problem is clumsiness.本最大的毛病就是笨手笨脚。...clumsiness and lack of co-ordination...身体笨拙而且缺乏协调能力Hi...
He was preferred to lieutenant.他被晋升为陆军中尉。If I am made chairman, I hope Simon will stay on as my trusted lieutenant.如果我当主席，我希望西蒙作为我信赖的副官，继续留在我的身边。He was commissioned as second lieutenant in the Air Force.他被任命为空军少尉。The Eng...