By analyzing the traces of saliva left in a tooth bite or on a coffee cup, lab experts could narrow the age of a criminal suspect to a five-year range.
通过分析牙咬或在咖啡杯上留下的唾液痕迹，实验室的专家们可以把犯罪嫌疑人的年龄缩小到五年的范围之内。
The utility model discloses a tooth-brushing cup, wherein one side of the cup is provided with a sucking disc, and the cup is adsorbed on a wall only by utilizing the sucking disc when not in use.
本实用新型公开了一种刷牙杯，其杯体的一侧设置有吸盘，不用的时 候只需利用吸盘将刷牙杯吸附在墙上。
The utility model discloses a tooth-brushing cup, wherein one side of the cup is provided with a sucking disc, and the cup is adsorbed on a wall only by utilizing the sucking disc when not in use.
本实用新型公开了一种刷牙杯，其杯体的一侧设置有吸盘，不用的时 候只需利用吸盘将刷牙杯吸附在墙上。
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