Because many factors could be acting together to cause bee colonies to collapse, Dr Cox-Foster and her colleagues decided to examine everything they could find within the empty hives.
2
据技术人员介绍，蜂巢状的外部结构不仅看上去酷，而且有着特别重要的作用。
According to the introduction by the technical staff, the external honeycomb-like structure not only looks cool but also has a particularly important role.
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