词根是chart，中文意思是n. 图表，曲线图海图，星位图排行榜，v. 绘制记录，跟踪制定（行动计划）进榜，上榜We carefully plotted each patient's response to the drug on a chart.我们仔细绘出了每个病人对这种药物反应的图表。Do not draw it on the chart， however， as this will confuse the issue.
