At the mere hint of a threat, the insects adjust their preflight stance to flee in the , ensuring a clean getaway, they said in explain why flies so easily evade swipes from their human foes.

 
  • 研究人員稱(chēng),即使是很微小的危險信號,蒼蠅在察覺(jué)后都能迅速調整好它的起飛姿勢,然后向相反方向飛離,逃之夭夭。這一發(fā)現有助于解釋為什么蒼蠅如此難打。
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