拱腰

You can also try out a different exercise for low back pain in which you can lie on your stomach and with your elbows begin to slowly raise you while arching your back.

您也可以尝试不同的工作，腰痛，您可以在其中的谎言在您的胃和与您的肘部开始慢慢提高的同时，你拱你的背部。

Why didn't the plow, for instance, or backstrap looms, or the buttressarch, or any number of thousands of ancient inventions spread to all parts of the world once they had been refined?

比方说，为什么犁、腰机（最古老的一种织布机——译者注）、拱壁以及其他数以千计的古代发明在它们被完善之后没有传播到世界其他地方呢？

I bent down, a extrados, deep breath, then quickly jumped into the water.

我弯下腰，一拱背，深深的吸了一口气，便快速的跳入水中。

Major characteristics:The breed has moderate body conformation,with mediumsized head,ununiform shape and depth transverse wrinkle,fairly small and lop ears,short and stout neck,wide and concaved back,arched ribs,large and drooping be11y,short and rough legs,unclamp rump,sleeping pastern,monkey-liked hooves.

主要特性：体型中等，颈粗短，有垂肉，背腰宽，背线多凹陷，肋骨拱曲，腹大下垂，四肢粗短，大腿欠丰满，多卧系，撒蹄，群众称"猴子脚板"，头中等大小，额部有形状和深浅不一的横行皱纹，耳较小、下垂，被毛为黑白花。

It can produce unsymmetrically load when it is nearby the arch of the tunnel.

由于煤柱附近存在明显的应力集中，其与隧道的空间位置关系对隧道稳定性有较大影响，当位于隧道拱腰上方时，会使隧道产生扁压。

Major characteristics:The breed has moderate body conformation,with mediumsized head,ununiform shape and depth transverse wrinkle,fairly small and lop ears,short and stout neck,wide and concaved back,arched ribs,large and drooping be11y,short and rough legs,unclamp rump,sleeping pastern,monkey-liked hooves.

主要特性：体型中等，颈粗短，有垂肉，背腰宽，背线多凹陷，肋骨拱曲，腹大下垂，四肢粗短，大腿欠丰满，多卧系，撒蹄，群众称&猴子脚板&，头中等大小，额部有形状和深浅不一的横行皱纹，耳较小、下垂，被毛为黑白花。

The instability ways of block were fall at vault and single or double side glide at nance and sidewall

块体可能的失稳方式主要为拱顶直接掉落、拱腰和边墙部位出现单滑面或双滑面滑动块体。

Ennis, high-arched nose and narrow face, was scruffy and a little cave-chested, balanced a small torso on long, caliper legs, possessed a muscular and supple body made for the horse and for fighting.

艾尼斯高鼻梁，瘦脸庞，穿着邋遢，有些拱腰，卡尺般细长的双腿支撑着瘦小的躯干，身体肌肉发达又有柔韧性，仿佛专为骑马、打架而生。

She perceived that her life had been not safe but smug, and that she was about to spend the last of it in mindless archings and jerkings, like a fish on a dusty bank.

她理解到她对生命的胸有成竹只是虚张声势而已，如今生命的最后一刻就要消弭在无意识的拱背哈腰抽搐痉挛之中，像一条河岸上涸辙中的鱼。

Willow saw it out of the small yellow buds, to the winter of switchgrass yellow line on a bow; waiting till the grass, stretching the staggered from the loose soil out of the tender small head green big eyes looking at this new world; see a stream, I do not know where the power of smoke, broke the ice arch restraint, singing it, washed the pebbles of the shore, the river carries at the end of the sand, jumping all the way over the mountains and rivers flow, flow through the grass, the grass moisture and nourishing the growth of willows.

柳树看到了，它冒出了鹅黄色的小芽，给冬日枯黄的柳枝系上了一个个蝴蝶结；小草望到了，伸了伸腰，摇摇晃晃地从松软的泥土里探出了嫩绿色的小脑袋，睁着大眼睛看着这新奇的世界；小溪瞧见了，不知从哪里冒出的力量，拱破了冰的束缚，它唱着歌，冲刷着岸边的卵石，携带着溪底的泥沙，一路跳跃着流过山川、流过草地，滋润着小草，也滋润着生长中的柳树。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。