評(píng)論
打印
Voice 1: Doctors operate to remove the donor heart. They inject a chemical containing potassium into the heart. This stops the heart from beating. Then they put the heart in ice. This helps to keep the heart in a good condition. But they can only keep it this way for four to six hours. After this they cannot use the organ.
聲音1：醫(yī)生通過(guò)手術(shù)摘除捐獻(xiàn)心臟。他們向捐獻(xiàn)心臟注射一種含有鉀的化學(xué)物質(zhì)。這種物質(zhì)可以阻止心臟跳動(dòng)。然后他們將心臟放入冰塊中。這有助于使心臟保持良好的狀態(tài)。但是這種方法只在四到六個(gè)小時(shí)以?xún)?nèi)有效。如果超過(guò)這個(gè)時(shí)間，那心臟就不能用了。
Voice 2: It is difficult to link donor hearts and patients together. Sometimes it is not possible to do so in such a short space of time. For example, the donor may be a long distance away. So the donor heart goes to waste - it cannot be used. But in the future doctors may be able to keep hearts in a good condition for longer than six hours. This would help them greatly. This is thanks to research from scientists at Papworth Hospital in Cambridge, England. They have invented a new method of protecting donor hearts.
聲音2：很難將供體心臟與患者聯(lián)系起來(lái)。有時(shí)不可能在很短的時(shí)間內(nèi)做到。舉例來(lái)說(shuō)，捐贈(zèng)者可能相隔很遠(yuǎn)。供體心臟可能會(huì)白白浪費(fèi)掉，無(wú)法進(jìn)行移植。但是未來(lái)，醫(yī)生也許可以使心臟保持良好狀態(tài)的時(shí)間超過(guò)6個(gè)小時(shí)。這會(huì)對(duì)他們有極大的幫助。而這要感謝英國(guó)劍橋帕普沃斯醫(yī)院的科學(xué)家進(jìn)行的研究。他們發(fā)明了一種保護(hù)供體心臟的新方法。
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