学个词 Learn a Word-VOA英语教学 2476 margin of error(在线收听) |
今天我们要学的词是 margin of error. Margin of error 误差幅度。最近民调显示,爱奥华州党团会议召开前夕,Hillary Clinton has a three percentage-point lead over Bernie Sanders, within the poll’s margin of error of 4 percent. 希拉里.克林顿以三个百分点领先于桑德斯,在这次民调的误差范围之内。Scientists at the University of Leuven developed a unique test of blood samples that can determine a person’s age with a margin of error of 3.75 years. 鲁汶大学的科学家们研制出了一种独特的血样测试法,可以判断出血样所属人的年龄,误差不超过三年零九个月。 好的,我们今天学习的词是 margin of error, margin of error, margin of error.... |
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