天气预报 > 其他 > 为什么下雨时蜻蜓会低飞
为什么下雨时蜻蜓会低飞
更新时间: 2020-11-11 00:00:00  

通常在下雨之前,空气中的湿度相当高,而在蜻蜓飞翔的时候,一遇到潮湿的水气,往往会把翅膀沾湿;此时就是蜻蜓捕捉猎物的好时机,所以,才会有看见蜻蜓低飞.尽管蜻蜓的飞翔能力再强,由於沾湿的身体较重,也就很难像往常般的在较高处飞,而只能做低空翱翔.这一现象只能说明气压低,有时就不下雨的。

关键词: 为什么 下雨 蜻蜓

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