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蜘蛛如何「御电而行」？
source link: https://news.cnblogs.com/n/634677/
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1832年，达尔文正在「小猎犬号」上担任博物学家。一日，他在甲板上发现了件怪事——一夜之间，甲板上多了上千只小红蜘蛛。此时，「小猎犬号」距离海岸足足有60英里，蜘蛛是怎么过来的呢？一个自然的想法，便是认为蜘蛛靠着海风，「御风而行」，抵达船上。蜘蛛翘起腹部，射出蛛丝，然后风拉着蛛丝、拖着蜘
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