Their defense markets are too small to sustain economically viable production runs.他们的国防市场太小，就经济可行性而言不足以维持生产。Cash alone will not make Eastern Europe's banks viable.仅靠现金不能使东欧的银行维持下去。Five viable pregnancies were estab...
如果出手准确，这一击将使他们有机会把球打得离球洞更近。If correctly executed, this shot will give them a better chance of getting the ball close to the hole.球袋–为使球落袋而设置的球洞.Pocket - the holes created for the balls to be potted into.古森在大雨中一记近距离击球, 球在...
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...