最重要的保持头部凉爽。
The most important part of the body to keep cool is the head.
保持头部，颈部脊柱在一条直线上。
保持头部自然姿势。
三周时间里，参与者保持头部6度向下倾斜躺在床上。
For three weeks, the participants lay in bed with their heads tipped down at a 6 percent tilt.
进入体式时拉长躯干前侧，保持头部伸展。
Always lengthen the front torso into the pose, keeping your head raised.
保持头部在中立位置，并稍微抬起你的下巴。
Keep your head in a neutral position with your chin slightly raised.
所以，游泳者应该保持头部尽可能的位置中位。
Therefore, swimmers should strive to keep their heads in as neutral a position as possible.
保持头部完全侧向一边，抓住另外一只耳朵的耳廓。
With the head upright, take hold of the outer part of the ear.
保持髋关节平贴地面，保持头部与脊柱位于同一直线。
在一个破旧的头盔，头盔带持有耳盖了下来，保持头部暖融融的。
Worn under a helmet, the helmet strap holds the ear flaps down, keeping the head nice and warm.
第二个关键点是，保持头部在最放松的位置，并与脊柱在同一直线上。
The second key skill is to keep your head in its most natural position, align with your spine.
保持头部和上身竖直，你的双足平稳地放在你前方，从而让你的膝部弯过你的脚趾。
Keep your head and body vertical, and your feet firmly on the floor in front of you so your knees bend over your toes.
你的腿可能会逐渐下沉，下滑速度。保持头部脊柱的调整，因为他们做。
Your legs may sink gradually as glide slows. Maintain head-spine alignment as they do.
不打算佩戴假发的患者，可以佩戴头巾、帽子和围巾来保持头部的温暖。
Some people who have hair loss choose not to wear wigs. Bandannas, hats or scarves may be worn to keep the head warm.
容易的让蜈蚣们远离它们，保持头部尽量远离战场的同时其他肢节还在攻击范围之内。
Simply move away from the following force, keeping the head as far away as possible whilst keeping the segments within attacking range.
姿势指的是一个人保持身体的方式，尤其是站立、行走或坐着时的背部、肩膀和头部。
Posture means the way in which someone holds his or her body, especially the back, shoulders and head when standing, walking, or sitting.
强劲的沙尘暴可以卷起重物，所以你应该尽量保持低姿态，靠近地面，并用你的手臂或背包保护你的头部。
A strong wind of dust storms can carry heavy objects, so you should try to stay low, and close to the ground, and protect your head with your arms or a backpack.
当他们工作正常时，我们能够凝视物体。即便我们头部晃动，我们也能在视网膜上保持图像的稳定。
When these are working properly, they allow us to maintain a steady gaze and keep images stable on our retinas even when our heads are moving.
除使用“免提”装置在通话时将移动电话与头部和身体保持一定距离以外，限制通话次数和时间，也会减少接触量。
In addition to using "hands-free" devices, which keep mobile phones away from the head and body during phone calls, exposure is also reduced by limiting the number and length of calls.
在她的肩膀和头部放几个枕头或靠垫能够帮助她保持半坐的姿势，这能帮助她生产。
A few pillows or cushions under her shoulders and head will help to raise her to a semi-sitting position, which can aid delivery.
卷发简直太衬你了，既让头发保持一定硬度又能保护头部。
Curls are a perfect symbol of hair for Cancer. Curls keep the hair tight and protect the head.
除此之外，世界各地的实验室里还有更多更不出名的机器人，它们有的能用手安全地抓起东西，有的能走上几步，而保持特别昂贵的头部不倾斜。 凭着这些技能，它们抢得了媒体的头条。
A range of less famous models in labs around the world grab headlines by gripping objects without destroying them, or walking a few steps without tipping onto their extremely expensive heads.
该标语进一步提醒人们：“用户（特别是儿童与孕妇）应将手机和其头部与身体部位保持距离”。
Her warning would continue, "Users, especially children and pregnant women, should keep this device awayfrom the head and body." (See a report card on cell phones' radiation.)
使用扬声器或者使用耳机使头部和手机之间保持更大的距离。
Use speaker mode or a headset to place more distance between the head and the cell phone.
首先两脚分开与肩同宽站立，面向正前方，在做这个练习的时候不要移动头部和眼睛，然后缓慢地向左侧摇晃你的身体，同时抬起你的右脚跟，在做摇晃动作的时候不要去看任何东西，保持注意力集中在这个动作上 （beaware of movement mainly,这句翻译拿不准，请朋友们指正 ）。
Stand with your feet shoulder-width apart. Face the front and do not move the head nor the eyes throughout the exercise.
缓慢地将腿部拉直，并使腿部保持伸直状态，同时将大腿向头部方向牵引。
Gently straighten the leg and, keeping it straight, draw it in towards your head.
你的头部应该与身体保持平衡位置(或者稍稍前倾)。
Your head should be in-line with the torso and at a level, balanced position (or just slightly forward).
你的头部应该与身体保持平衡位置(或者稍稍前倾)。
Your head should be in-line with the torso and at a level, balanced position (or just slightly forward).
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