梅金说库姆斯先生是主动去投案的。Makin said Mr Coombes had gone to the police of his own volition.一水母状麦田怪圈出现在牛津郡金士顿库姆斯.A jellyfish crop circle in Kingston Coombes, Oxfordshire....
心脏有瓣膜控制血液流进流出.The heart has valves to let blood flow in and out of it.二尖瓣狭窄的病变是在心肌而不是在瓣膜.The abnormality mitral stenosis was in myocardium, not in the valve.他们是那些最不适于作瓣膜切开术的患者.They are patients in whom the valvulotomy wa...