华盛顿特区与蚊子作斗争——第1级

31-07-2026 07:00

华盛顿特区的人们正在向市区释放60万只雄蚊。这听起来很奇怪，但效果很好。

这些雄蚊不会叮咬人。它们体内携带一种特殊的细菌。当这些雄蚊与雌蚊交配时，雌蚊将无法产卵。 新产下的卵无法孵化，因为细菌阻止了这一过程。温暖的天气会给城市带来更多的蚊子和疾病。科学家表示，这种新方法对人类、鸟类和鱼类都非常安全。

几周后，该地区的蚊子数量将大幅减少。人们可以安心在户外活动，享受无蚊之乐。

您可以在“第3级”栏目中观看原视频。

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雄蚊体内的这种特殊细菌对雌蚊及其卵有什么影响？

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