n.[医]心电图
The cardiogram is a chart and charts are what I work with. 心电图是图表的一种，而我每天面对的就是图表。
The shape of the waves on his cardiogram shows that he has no heart problems. 根据心电图的波形来看，他的心脏没有问题。
n.心电图
n.[医]心回波图；超声波心动(描记)图
