Ligaments and tendons usually restrict the movement of the joint, but in some people, these normally restrictive tissues can be quite flexible and allow the extra movement we call "double-jointed."
韧带与肌腱通常会限制关节的活动，但是对于某些人来说，这些结缔组织非常灵活，能做出更大范围的运动，也就是我们所称的“双关节”。
In this case, it is not possible for users to miss it and there is no extra eye movement needed to read it.
在这个例子中，这样用户就不可能错过它，且没有额外的眼部移动来发现它。
Greater freedom of movement, she says, is making it easier for traffickers to gain access to the north, where many families lack education and are desperate for extra income.
她说，自由运动的扩大使人口蛮子进入北方更加容易。北方的许多家庭缺乏教育，急需额外的收入。
Instead, scientists will have to figure out how to block movement in select locations, like in the extra-cellular matrix around growing tumors.
科学家必须解决如何抑制某些部位的运动，比如恶化的肿瘤周围的细胞外基质。
Extra body movement, such as turning the head from side to side, pointing at the line with a pen or pencil, or moving the lips, should be stopped immediately.
不必要的动作，比如头不停地左右晃动，用手指或铅笔一行一行地指，或者是用嘴碎碎念等必须立即停止。
The extra day is necessary to keep the calendar in line with the earth's movement around the sun.
这多出的一天是很有必要的，他使得日历与地球环绕太阳的时间保持一致。
The cutting beam counts as a single lance but each Blast marker picked up by the Bastion in the Movement phase gives the beam the equivalent of one extra lance shot (up to a maximum of 8).
切割光束算作一发光矛，但棱堡级舰在本移动回合中经过的每一个爆炸标尺给予她一发额外的切割光束(最高8发)。
To correct this stop the extra lateral head tracking movement and insist on a reference point farther ahead.
纠正的方法是停止过多的头部平行跟踪移动，坚持更靠前的参考点。
In the uneven bars, the entire routine should flow from one movement to the next without pause or extra supports.
在高低杠比赛中，整套动作要自然流畅，没有停顿及附加支撑。
They ask for extra training hours to practice since it's very difficult to keep the exact same movement and pace with male members in a unit due to females' smaller body size.
仪仗队女兵要求加时训练，因为和男兵相比，他们瘦小的身材很难和男兵保持同样的步伐。
This method can be implemented with the table with the transverse movement and the rotation movement and is easy to compatible with 3rd scan ICT without extra hardware requirements.
该方法仅需CT扫描台具备平移和旋转自由度，易于与现有三代ICT兼容，工程实现方便。
This method can be implemented with the table with the transverse movement and the rotation movement and is easy to compatible with 3rd scan ICT without extra hardware requirements.
该方法仅需CT扫描台具备平移和旋转自由度，易于与现有三代ICT兼容，工程实现方便。
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