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VOA慢速英语:New iPhone App Improves the Chance of Survival for Heart Attack Victims
2013-06-18来源:VOA
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短语讲解：
1. In STEMI, blood flow to the heart is stopped because of a blockage in a coronary artery.
because of 因为
例句：You laugh because of this?
你因为这个笑了？
2. Unlike other kinds of heart attacks, STEMIs show up very clearly on an electrocardiogram, or ECG.
show up 显而易见；到场
例句：I heard he didn't show up this weekend.
我听说他周末未露面，
3. He says they are less costly and just as effective as higher quality prosthesis.
as ... as 一样
例句：He as honest as you are?
他跟你一样诚实吗?
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