line graph
US /ˈlaɪn ˌɡræf/
UK /ˈlaɪn ˌɡræf/
1.
折线图
a graph that uses points connected by lines to show how something changes over time or in relation to something else
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The sales data was presented using a line graph to show trends over the last quarter.
销售数据用折线图展示，以显示上季度的趋势。
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A line graph is often used to visualize changes in temperature over a day.
折线图常用于可视化一天中的温度变化。