背部的

Keep your hands by your ears and raise yourself up slowly then twist your body--from the waist, not your back or shoulders--and try to touch your knees with your opposite elbow, i.e. your right elbow comes up and across to touch your left knee. Untwist and go back to your starting position.

保持你的双手在耳侧，慢慢把身体抬起来，然后，弯曲你的身体——从腰开始，而不是从你的背部或者肩膀-试着用相反方向的胳膊肘去够你的膝盖，如此这般，用你的右肘去够你的左膝。

Having to improvise and immobilize the man, I placed my night stick between the handcuff chain and his back and applied leverage against his spine which created a situation where he would only hurt himself with his continued resistance.

经密谋和固定的人，而我坚持夜之间铐链，他的背部和应用杠杆对他的脊椎造成的情况下，他只会伤害自己与他的继续抵抗。

Relat in g to the caudal end of the body in quadrupeds or the dorsal side in human be in gs and other primates.

背后的，尾部的与四足兽的身体尾部有关的，或与人类和其他灵长动物的背部有关的

While purple-toed, keen-eyed hunters are just a made up example, a real animal that demonstrates this is the three-spined stickleback fish of western Canada.

在假设紫色脚趾、视力发达的食肉动物的例子同时，一种现实的动物可以证明，这种动物是生长在加拿大西部的一种背部有骨的棘鱼。

It is found that the position of vortex shedding is different fro m three-row cylinders. The time-mean pressure coefficient along the surfaces o f the cylinders is not changed with the void friction. But the fluctuating press ure coefficient reduces with the increase of void fraction.

试验结果表明：沿圆柱表面周向的旋涡分离点随着流动向深层发展，并向圆柱的背部移动；圆柱表面沿周向的时均压力系数几乎不随含气率的变化而变化；圆柱表面的脉动压力系数随着含气率的增加而减小。

According to those who claim to have seen it describe the people, it's like the snake head and long neck, the general extended water 1 m high, people see more of the huge monster is back, it was said to be two back, it was that is three back; sometimes it suddenly above the surface, water from its rib like abdominal like waterfalls plunge down, it quickly submerged into the lake, the lake set off a while storms.

根据那些声称见过它的人们描述，它那蛇一样的头和长脖子，一般伸出水面一米多高，人们较多看到的是怪兽的巨大背部，有人说是两个背，有人又说是三个背；有时它突然露出水面，水从它的肋腹部上像瀑布似的泻下来，一下它又迅速潜到湖下，在湖面掀起一阵恶浪。

The important thing is that the more the steering lock is unwound the more power should be applied and by the exit kerb the steering wheel should be back to the straight ahead position with full throttle applied.

当然不同身形的车手有不同的驾驶位置，但基本的指标是当车手的背部紧贴赛车椅时，他/她双手手腕能按到方向盘的正上方，而左脚则可在不用完全伸直的情形下能把离合脚踏完全踏尽。

Farmer curious to see the bottom, there's a scene in front of us that he was surprised by: When the shovel into the soil fell well back of the donkey, the donkey amazing response ── it will shake off the soil to one side, and then station to the shovel into the soil stack above!

农夫好奇地探头往井底一看，出现在眼前的景象令他大吃一惊：当铲进井里的泥土落在驴子的背部时，驴子的反应令人称奇──它将泥土抖落在一旁，然后站到铲进的泥土堆上面！

Always bend the knees when bending or lifting; always hollow the back when kneeling; when carrying, distribute weight evenly; when standing for long periods stand with your feet slightly apart; when pushing or pulling try to keep your back straight and take the strain on your arms.

总是弯曲的时候膝盖弯曲或解除；总是空心的，当回跪；当携带，重量分布均匀；当长时间站立站在你的脚稍离；当推或拉，以尽量保持你的背部平直，采取应变对你的武器。

Always bend the knees when bending or lifting; always hollow the back when kneeling; when carrying, distribute weight evenly; when standing for long periods stand with your feet slightly apart; when pushing or pulling try to keep your back straight and take the strain on your arms.

总是弯曲的，当膝盖弯曲或升降；永远的空心当年下跪；当携带，重量分布均匀；当长时间站立的立场，你的脚稍离；当推或拉尝试把你的背部直而采取应变手臂。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。