十万个为什么·科学阅读30篇（5）
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How Do Bees Know Which Flowers Have Nectar?
蜜蜂怎么知道哪些花有花蜜？
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Bees see colors humans cannot, like ultraviolet light patterns.蜜蜂能看到人类看不到的颜色，比如紫外线图案。
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Many flowers have UV 'landing strips' guiding bees to nectar.许多花朵有紫外线“着陆带”，引导蜜蜂找到花蜜。
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They smell sweet scents carried by wind or flower shape.它们靠风力传播的甜香或花朵形状来感知气味。
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Bees remember good flowers and visit them again and again.蜜蜂会记住优质的花朵，并反复造访。
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Some flowers even vibrate at special frequencies to attract bees.有些花朵甚至以特定频率振动来吸引蜜蜂。
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They taste tiny drops with sensors on their feet and tongues.它们用脚和舌头上的感受器品尝微小的液滴。
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Young bees learn from older workers in the hive too.幼蜂也会在蜂巢中向年长的工蜂学习。
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This mix of sight, smell, taste, and memory helps them feed well.这种视觉、嗅觉、味觉和记忆的结合，帮助它们充分觅食。