他必须交替地躺在地面上而且升起他的左右方腿。
He had to lie on the ground and raise his right and left legs alternately.
男性也可以在压力下比女性更准确地辨别左右方向。
Men are also able to tell left from right under pressure more accurately than women.
男性也可以在压力下比女性更准确地辨别左右方向。
Men are also able to tell left from right under pressure more accurately than women.
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