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What mechanisms control handedness and keep left-handedness rare?
是什么机制控制了用右手或左手的习惯并使左撇子很少出现？
youdao
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Mike: Yikes, that was a close one! Can't you ever keep left and right straight?
啊，真险啊！你就不能直接说个左还是右吗？
youdao
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Mike: Yikes, that was a close one! Can't you ever keep left and right straight?
啊，真险啊！你就不能直接说个左还是右吗？
youdao