He is under a delusion in this matter.他对这事有误会.He is under the delusion that he is Napoleon.他患了妄想症,认为自己是拿破仑.This was not optimism, it was delusion.这不是乐观，这是妄想。There is no fire like lust, no grip like hate; there is no net ...
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...