Bend knees and lift legs and pedal with legs in a cycling motion.
弯曲膝关节举起大腿，同时蹬腿呈骑行动作。
If you want the pilot to know that it's safe to land, push your hands out in front of you and bend your knees.
如果你想让飞行员知道降落是安全的，把你的手伸到前面并弯曲你的膝盖。
Remember when lifting a backpack, or anything, to lift using the arms and legs and to bend at the knees.
记住，当提起背包或其他东西时，要用胳膊和腿提起，膝盖弯曲。
The instructor made him shake his head, swing his arms, stretch his neck and bend his knees.
教练让他摇头，摆动手臂，伸展脖子，弯曲膝盖。
Bend your knees and lower your back knee towards the floor, keeping the front heel down and the knee directly over the centre of the foot.
弯曲你的膝盖以及你的后腿膝盖向地面方向弯曲，保持前脚踝触地，以及膝盖在脚中心的正上方。
Forthwith, very smoothly and easily, they lift Phil into the carrying chair and take her on the perilous journey downstairs with her feet sticking well out in front because her knees won't bend.
于是很快，很容易就顺利地将菲尔抬进移动椅，并且因为她的膝盖不能弯曲所以使她的脚向前伸出着，然后带她下楼，开始危险的旅程。
Keep your head and body vertical, and your feet firmly on the floor in front of you so your knees bend over your toes.
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。
As you deepen the bend of the knees, maintain a straight line from the top of your head to your tailbone.
当你加深双膝的弯曲幅度是，保持头顶到尾骨一条直线.
You can bend forward from the hips or, if you're really into it, bend at the knees too and really "sink" out of the way.
你也可以通过弯腰或跪地来“躲避”你想像的东西。
Simultaneously raise legs and torso. Don't bend your knees!
把上半身和腿同时抬起，但不要弯曲膝盖。
Notice how your ankles flex, how your calf muscles contract and how your knees bend.
留意你的踝关节如何曲伸，小腿肚上的肌肉如何收紧和膝关节如何弯曲。
From a standing position, bend forward from the waist with your knees slightly bent, letting your arms dangle close to the floor.
从站立位置开始，弯腰，让手臂垂下，膝盖微微弯曲，让手臂接近地面位置。
As you exhale, bend the knees and lower them toward your chest, but keep lifting your shoulders and mid-thoracic spine.
随着呼气，弯曲膝盖，向胸腔靠近，仍旧保持肩膀和中背的提升。
Adaptable: The robot is fitted with 12 shock absorbers, can bend its knees (left) and is also able to walk around.
适应性：这种机器人装有12个减震器，膝盖能够弯曲(左)，也能四处行走。
If God had intended us to do Ballroom dancing, he would have made women's knees bend the other way.
如果上帝有意安排我们在舞厅跳舞，他应该让女人的膝盖朝另外一侧弯曲。
Neil: no. Even if I bend forwards I can hardly touch my knees, and certainly not my toes.
是的。即使向前弯，我也是摸不到膝盖的，更别说我的脚趾了。
Body lying in bed, knees slightly bend, hands (inhaling).
身体躺于床，双膝微弯，双手抱头(吸气)。
Instead, you should perform "short-arc" exercises where you only bend your knees to the degree shown in these pictures.
反之，你应该做“短弧”练习，你只能如图示程度弯曲你的膝盖。
In these straight-legged poses, though your knees are straight, you will bend them slightly in your mind.
在这些腿伸直的体式，即使膝关节伸展，在心里你也要轻微地弯曲它们。
From the side you can see it better. See there is not a whole lot of knees bend.
从侧面可以看得更清楚。你看，他膝盖的弯曲并不大。
But full-grown elephants are so heavy they often prefer not to bend their knees to lie down on the ground and so they sleep standing up.
但是，完全成熟的大象非常重，它们常常不愿弯曲膝盖，躺到地上去，所以，它们站着睡觉。
The methods are: it must curve knees when you bend waist and touch toes with hands or collect object.
帮助的办法是：在弯腰用手接触脚趾或拾取物体的时候，一定要弯曲膝部。
Can you bend down and touch your toes without bending your knees?
你能弯下腰不屈膝碰到你的脚趾吗？
Our arms and legs bend at the joints— the elbows and knees.
我们的胳膊和腿在关节处——即胳膊肘儿和膝盖处弯曲。
This allows the knees to bend freely up and down.
这样能使膝盖自由的上下弯曲。
Proper kicking you don't bend your knees too much, but there is a knee-bent particularly on the down beat.
正确的踢腿动作中你的膝盖不能太弯，但是膝盖是会有所弯曲的，特别是在向下踢腿时。
Proper kicking you don't bend your knees too much, but there is a knee-bent particularly on the down beat.
正确的踢腿动作中你的膝盖不能太弯，但是膝盖是会有所弯曲的，特别是在向下踢腿时。
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