血液人工灌注器

全新版大学英语听说教程第四册 unit8

Unit 8 Part B A Terrible Disease The phone rang and it was my husband Jack asking me to take some lunch to his office. As I drove off, I noticed a new shopping center. Strange I hadn't noticed it before. Near his office I also saw a fire station I di

发表于:2018-12-04 / 阅读(39) / 评论(0)

全新版大学英语听说教程第四册

2012年ESL之就医和人际交往 04 Giving CPR

Giving CPR Joyce: Lie down on the floor. Steve: Why? Joyce: I have to practice for my CPR exam tomorrow. Im taking it so I can get my CPR certification. Lie down please. Steve: Okay, okay. Now what do I do? Joyce: You just lie there and pretend to be

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2012年ESL之就医和人际交往

Listen this way听力教程第二册-14

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Listen this way听力教程

VOA标准英语2010年-Inventive Partnership Extends Millions

Cardiac medicine has made tremendous strides since the 1950s, when surgeons placed the first experimental artificial valves in the human heart. One of the pioneers in that field is Dr. Albert Starr, who co-invented the heart value - which has extende

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VOA标准英语2010年(十一)月

VOA标准英语2011--Artificial Blood Vessels Work Well, Have

Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

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VOA标准英语2011年(二月)

VOA标准英语2010年-Blood Supply in Kenyan Health System D

Anti-Retrovirals Reduce HIV Transmissions Among Heterosexual Couples in Africa Kenya's health-care system has little more than half of the blood supply it needs for transfusions, often resulting in only the most urgent cases being taken care of. Bloo

发表于:2019-02-12 / 阅读(90) / 评论(0)

VOA标准英语2010年(六)月

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absolute signal delay

antifreezing of underground mine