十万个为什么·科学阅读30篇（6）
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How Do Crickets Make Their Chirping Sound?
蟋蟀是如何发出鸣叫声的？
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Male crickets chirp to attract females during warm evenings.雄蟋蟀在温暖的夜晚鸣叫以吸引雌性。
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They make sound by rubbing a hard vein on one wing against the other.它们通过将一只翅膀上的一条硬翅脉与另一只翅膀摩擦发声。
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This action is called stridulation and works like a tiny violin bow.这种行为称为鸣叫，原理类似于微型小提琴弓。
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Each species has its own chirp pattern and speed.每个物种都有独特的鸣叫模式和频率。
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Temperature affects how fast they chirp — warmer means faster.温度影响鸣叫速度：气温越高，鸣叫越快。
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Crickets hear with tiny organs on their front legs.蟋蟀用前足上的微小器官感知声音。
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Their songs travel well through quiet summer air.它们的歌声在寂静的夏日空气中传播得很远。
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This natural music helps scientists learn about insect behavior and climate.这种自然之声帮助科学家研究昆虫行为和气候变化。