在试验中，蜜蜂们被放到一英里之外的田地中后，寻找到回家的路。
In tests, the bees navigate back home after being placed in a field a mile away.
最近，成千上万的蜜蜂找不到回家的路。
Recently, thousands of bees have failed to find their way home.
蜜蜂体内有一种类似于全球定位系统的系统，这帮助它们找到返回蜂巢的路。
Bees have a built-in system a bit like GPS and this helps them find their way back to their hives.
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