一点面包屑
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a crumb of bread
一片面包屑
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The device won't let you make voice calls or surf the Web, but it does offer a host of safety features: It can map a bread-crumb trail of your coordinates so that people back home can track your whereabouts from any Web browser.
WSJ: DeLorme inReach SE, a Satellite Gadget for the Civilian | Geek Chic
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