Now at least a hundred commercial crops in the U.S. rely almost entirely on managed honeybees, which beekeepers raise and rent out to tend to big farms.
目前在美国约有一百种商业作物几乎完全依赖人工管理的蜂群传粉,养蜂人驯养并向大农场出租这些蜂群。
Now at least a hundred commercial crops in the U. s. rely almost entirely on managed honeybees, which beekeepers raise and rent out to tend to big farms.
目前在美国约有一百种商业作物几乎完全依赖人工管理的蜂群传粉,养蜂人驯养并向大农场出租这些蜂群。
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