Twenty years later, he completed a device that was smaller than the first two, and weighed less.
VOA: special.2010.07.14
It was implanted into the first patient, a gentleman in Kentucky, and he stayed alive for a period of time with this device replacing his heart.
第一个植入这个人工心脏病人是,住在肯塔基州的一位先生,他在移植手术后,存活了一段时间
In nineteen forty-seven, Doctor Beck saved a patient with a defibrillator device for the first time.
VOA: special.2009.08.11
She remembers that the man operating the device at first refused to accept her material.
VOA: special.2010.02.09
应用推荐