Abiomed s heart called the AbioCor is make primarily oftitanium andpolyurethane plastic. Sitting in the chest cavity the 2-pund device consists of amotor-driven system that opens and closes two artificial ventricles. A miniaturizedelectronics package placed in the abdomen monitors and controls the heartspumping speed based on the patients needs. an internal rechargeable battery and anexternal rechargeable battery pack power the system.
阿比奥莫德公司造的心脏叫做阿比奥克,主要采用钛和聚氯酯塑料制成。这种两磅重的装置放在胸腔内,有一套马达驱动的系统操纵着两个人造心童的开闭。一个放在腹内的微型电子组件,可以根据患者的需要监控心脏的泵速。一个体内可充电电池组和一个体外可充电电池组为这个系统供电
CET4四级词汇:
recipient 接收者;接受者
swap 交换
cavity 洞穴;龋洞
miniaturize 缩小;缩影
eligible 有条件被选中的;有恰当赍格的
hover 逗留;徘徊;彷徨;犹豫;(指鸟儿等)翱翔;
quest 寻求;控索.追寻
plague 灾难;祸患。.使痛苦;给造成困难
CET4阅读单词短语考点:
For thousands of Americans suffering from diseasedhearts and for the doctorswho treat them it has been the most compelling yet difficult of goals for more than50 years: an artificial heart whose machinery is not the size of a refrigerator.
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