Past experiments have demonstrated that it is relatively easy through selective breeding to make rats, honey bees and—that great favourite of researchers—fruit flies a lot better at learning.

过去的实验告诉我们通过选择性的繁殖促使生成后代具有更好的学习能力是比较容易的，比如大鼠，蜜蜂，以及研究者钟爱的果蝇。

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The utility model is an ideal drone pupas or larvae producing tool in the present bee producing without artificial bee removing for producing royal jelly, bee bread and breeding queen bees.

是目前蜂生产中，不用人工移虫生产蜂王浆、蜂粮、培育种用蜂王，生产雄蜂蛹或幼虫的理想工具。

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The BBKA warned the worst may be yet to come, as a lack of food for bees and wet conditions mean breeding queens have been unable to produce a large enough brood to see colonies through the winter.

BBC: Honey harvest 'devastated' by wet summer