Glass hives offer a close-up view of the bees at work, with the queen bee in each hive marked by a white dot.

玻璃蜂房可以近距离观察工作中的蜜蜂，每个蜂房的蜂王都被打上白点标记。

《柯林斯英汉双解大词典》

Experts from Brazil and Europe have joined in the detective work at USDA's bee lab in suburban Washington.

来自巴西，欧洲的科学家已经加入了在位于华盛顿郊区的USDA蜜蜂实验室的探测工作。

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