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...
His voice was harsh as he enunciated each word carefully.他一字一顿，听上去很生硬。The light's a bit too harsh. You can turn it off.灯光有点太刺眼了。你可以把灯关掉。The fabric is strong enough to withstand harsh processing.这种织物非常结实，能经受粗加工。...
我喜爱信笺信封和所有文房用具。I loved stationery and all the accoutrements of writing.这套平板家具是高尔厨房用具公司出品的。The flat-pack units are by Gower kitchens.厨房用具在地下室出售。Kitchen goods are sold in the basement....
A frequency of one million megahertz, 10000? 200 Hz.一百万兆赫(兹)频率, 即10000? 200赫(兹)....UHF frequencies of around 900 megahertz.大约900兆赫的超高频率The bandwidth ( megahertz ) and spectrum position of the signal arising from televisi...