Some even claim that it is more adept at avoiding well-aimed swats .

甚至有些人声称，埃及伊蚊更善于躲过人类准确的拍击。

But robert larzelere , a psychologist in the department of human development and family science at oklahoma state university , argues that " conditional spanking " -- two swats with an open hand on the bottom -- is not detrimental to a child .

但是奥克拉荷马州立大学人类发展及家庭科学系的心理学家罗伯特拉兹里则认为“条件性的打屁股”张开手掌在屁股上打两下对孩子并没有造成伤害。