Keep back straight and bend knees.
背要直，只弯两膝。
Whenever I tried to bend myself in order to appear shorter, he would tell me, "Stand straight and tall, Alisa."
每当我试图弯腰让自己看起来更矮时，他就会告诉我：“挺直腰板，艾丽莎。”
Bend the front knee, keeping the back leg straight, press the right heel down on the floor.
前腿膝关节弯曲，后腿保持绷直状态，右脚后跟贴紧地面并向下压。
Bend forward slightly at the hip, keeping your back straight, until you feel a slight stretch in your hamstrings.
保持背部平直慢慢俯身，直到感觉腿筋拉紧。
The idea is you gather in a tight circle, throw snowballs straight up and bend forward. Almost everybody gets hit, but since nobody knows by whom, there is no anger or retaliation.
大家围成一个紧密的圆圈，先向上投掷雪球然后弯下身子，差不多每个人都被雪球击中了，但是没有人知道自己是被谁投出的雪球击中的，所以既没有恼怒也无法报复。
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.
Hold for 20 seconds. Be careful. Paint cover and elbow can not bend, straight to stop! Try to focus backwards (toes will be forced to do)! Try to focus backwards (toes will be forced to do)! Do 2.
双脚并拢，双手摸地。坚持20秒。注意！漆盖和手肘不能弯，要停直！尽量将重心向后移（脚指头会用力就做对了）！做2个。
So you want to take your shampoo, hold your arm straight up, keep your arm right next to your ear, and then simply bend your elbow to ninety degree, and then lift it back up.
你要拿起洗发水，手臂向上伸直，紧贴耳朵，然后只要将手肘向后弯曲90度，再将手肘伸直。
Compared with west garden art style, and based on analysis on the variability of each constitute part of gardans, the logical relationship between the bend and the straight ness is expounded.
文章对比中西方园林艺术的不同风格，在分析园林的各组成要素的曲折多变基础上，论证曲与直的辩证关系，从而得出“曲”是中国古典园林艺术的重要标志。
Strive to open up, to bend into straight bamboo rhizome.
努力向上的开拓，才使弯曲的竹鞭化作了笔直的毛竹。
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。
Keeping the left elbow straight, slowly bend the left wrist upward until you feel a stretch.
保持左手臂伸直，慢慢地把左手腕朝上弯曲直到感到拉力。
Always straight. Putting the frets is the biggest trick, so it doesn't back-bend.
维持直的。安装琴品是一项最大的诀窍，这样指板才不会往后弯。
Fingers should be bent, the index finger, two joints, the first of which is to bend, the second joint is straight.
手指要弯曲，食指的两个关节，其中第一个是要弯曲的，第二个关节就是要直。
Never bend your head. Hold it high. Look the world straight in the eye.
千万不要低头，应该把头抬的高高的，眼睛直视世界。
A bend in a pipe, bar, or other straight continuous piece made to allow it to pass around an obstruction.
弯管，接头管管子、杆或其他直而长的东西的一个弯，使得它能避开一障碍物。
It is found that flow rate deviation is not same at different locations in bend tube and flow rate in straight tube near bend tube outlet also affected by the bend.
研究发现，弯头上不同区域的管产生不同的流量偏差，并且弯头出口附近直管集箱上的管中流量也会受弯头的影响。
Continue, keeping your hands and elbows held straight out firmly, and with no bend, fingers pointing straight forward, chin pulled slightly in, and spine straight.
继续，保持你的双手和两个肘关节稳稳地向前伸展没有丝毫弯曲，手指笔直地指向前方，微微收敛下巴，脊柱挺直。
In the process of bending, the excessive length of the straight flange of the bend mold and the workpiece with turnups cladding the lower mold support make a comparatively difficult unloading.
在工件折弯过程中，当工件直边长度尺寸较大且工件上带有翻边时，工件包覆在下模架上卸料比较困难。
Tube bending is a process by which a straight piece of tube is formed to a selected radius and angle of bend.
弯管工艺是指将平直的管子按选定的半径和弯曲角度弯曲成形。
In accordance with the needs of the production, we developed large pipe welder into a straight, bend dual-use welder.
根据产品生产的需要，我们将大型直管焊机改造为直、弯两用焊机。
Because the flow structure in bend is very different from that in straight channel so that their falling distances of rock riprap are also different.
由于弯道水流结构与直段水流结构有着很大的差别，所以弯道抛石落距也有别于直段的抛石落距。
The elbow may be resolved into straight section and a bend.
将回弯头分解为直管段和回弯两部分。
Once again, keep your arms as straight as possible and feel free to bend your neck backward when moving your arms.
紧接着保持手臂尽可能地伸直并且在移动手臂的同时感觉可以轻松自如地向后屈曲你的颈部。
It can be seen that the experimental results coincide with numerical simulation results to some extent for straight, bend and branching linear defects respectively.
分别研究了直线型、折线型以及分支型线缺陷的情况，数值模拟结果与实验结果基本吻合。
OK... you go straight along this street for one block, then when you come to this bend in the road, turn right. That's Washington street.
哦……你沿着这条街道走一个街区，走到这个弯路口，然后向右拐，就到华盛顿大街了。
They again depart from Joe in that he had a straight left arm, while John and Ray used to bend the arm and have the entire forearm on the table.
他们和JOE也不同，JOE将他的左臂完全伸直，而JOHN和RAY却习惯与将左臂弯曲并且将整个左臂放在台面。
They again depart from Joe in that he had a straight left arm, while John and Ray used to bend the arm and have the entire forearm on the table.
他们和JOE也不同，JOE将他的左臂完全伸直，而JOHN和RAY却习惯与将左臂弯曲并且将整个左臂放在台面。
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