Secondly, Chinese athletes comply with walking race definition in that the knee joint is unwound from touchdown to upright phases.
我国优秀竞走运动员着地瞬时至垂直瞬时膝关节是伸直的，符合竞走的定义；
First ", said Charlotte, "I dive at him." she plunged headfirst toward the fly." As she dropped, a tiny silken thread unwound from her rear end.
“首先，”夏洛说，“我向它潜下去。”它头在前向苍蝇扑下去。它下来时，一根细丝从它后面吐出来。
One of them unwound a length of rope from around his waist.
他们中的一个人解开绕在他腰间的一条绳子。
He unwound his scarf from his neck.
他从脖子上解下围巾。
So Tom unwound the thread from one of his needles.
于是汤姆拿出一根针，去掉了线。
He unwound the scarf from his neck.
他从脖子上解下围巾。
So Tom unwound the thread from one of his needles, and each boy pricked the ball of his thumb and squeezed out a drop of blood.
31于是汤姆拿出一根针，去掉了线。两个孩子各自往大拇指上戳了一下，然后挤出两滴血来。
So Tom unwound the thread from one of his needles, and each boy pricked the ball of his thumb and squeezed out a drop of blood.
31于是汤姆拿出一根针，去掉了线。两个孩子各自往大拇指上戳了一下，然后挤出两滴血来。
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