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electrocardiograms

[elektrəʊ'kɑ:dɪəʊɡræmz] [elektroʊ'kɑdɪəʊɡræmz]
例句
柯林斯高阶英汉双解学习词典释义
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    心电图
    If someone has an electrocardiogram, doctors use special equipment to measure the electric currents produced by that person's heart in order to see whether it is working normally.