可能是一种疾病、也许是一种新的疾病，招致其他疾病感染蜜蜂，还可能是某种杀虫剂起了这种作用。
It could be that one disease, perhaps a new type of lurgy, invites the others to infect the bee, or that a pesticide performs this role.
无论它们叫什么名字，这些勤劳的蜜蜂对于群居的蜜蜂总是起着很大的支持作用。
Whatever their name, these hardworking bees have always played a strong supporting role to hived honey bees.
由于蜜蜂在作物授粉中扮演重要角色，因此对全国食物供应也有至关重要的作用。
Bees are vital to the nation's food supply because of the role they play in pollinating crops.
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