The increased pressure increases the resistance to blood flowing down the jugular veins, and insufficient valves may allow deoxygenated blood to push back up the neck.
（这不就是“挣挣挣。屎”么。。。）急速上升的压力增加了颈动脉血液回流的阻力，并且没有完全闭合的膜瓣使得木有氧气的静脉血返回了脖子。
The manager had talked all week about putting opponents under pressure higher up the pitch but the fact Roma seemed more solid at the back had much to do with the limitations of their opponents.
这位教练一周以来一直强调对对手施压，但事实是罗马的后防稳固更有赖于对手的能力有限。
This means that you'll need to push back against society's pressure to hurry up and marry just anyone.
不为了结婚而结婚，意味着你需要反抗来自社会层面的催婚压力。
West Ham fought desperately for a way back into the tie, while United's more cautious approach involved soaking up the pressure and attempting to strike on the break.
西汉姆不顾一切的要扳回比分，曼联小心翼翼的化解压力并尝试反击。
Meanwhile an unusually wet autumn and a low pressure weather systems over the eastern seas have pushed the murk from steel plants in the south back up into the North China plain.
与此同时，一个异常潮湿的秋天和东部海域的低气压天气系统将南方钢铁厂排放的污染物推回华北平原。
Allow yourself to dip down to the point where you just start to feel pressure inside your knee, and then come smoothly back up to the starting position.
允许在膝内开始感觉压力的点浸下来，然后平滑地向后回复到起点位置。
Back up roller: roller which backs up the impression roller FOR additional pressure in gravure printing.
加压辘：在照相凹版印刷机上，给予压力圆筒额外压力的辊辘。
Based on production conditions and data, this article discusses the varying contact length back-up roll deformation under the condition of equal contact pressure between rolls.
以某中板厂生产条件和数据为基础，讨论了变接触长度支承辊辊间接触压力相等时的轧辊变形情况。
Back-up rings are not seals themselves, but are usually used in conjunction with O-rings in high-pressure applications.
备份环本身不是密封件，通常在高压应用中与O型圈配套使用。
At first, pressure in the heart rises and blood and fluid back up into your lungs. You will feel short of breath and get tired easily.
开始时，心脏内的压力升高，血液和液体阻塞在肺部，您会觉得呼吸短促，而且很容易疲倦。
Precisely for the reason that we tend to go in for public marriage because it can be useful to back up our own resolve with the pressure that stands from the expectation of others.
我们赞成将婚事公开操办，那是因为他人的见证和监督能迫使我们将自己当初的婚誓坚持到底，也正是出于同样的原因，我们往往在众人面前表达决心，立下誓言。
We had long ago given up the poignant Christmas services, but now, under pressure, we Sat. rigid in the front pew, fighting back tears.
我们很久没去做过那令人心碎的圣诞礼拜了，但现在，在孙女的强求之下，我们坐在前排长凳上，一动不动，努力控制着泪水。
Borrowers are scaling back, buyers are thinner on the ground, risk aversion is up and Banks are in any case under pressure to improve their loan-to-deposit ratios.
借款人相应减少，买家寥寥无几。风险厌恶情绪正在上升，无论如何银行都被迫提高其贷款存款比例。
Back-up rings are washer-like devices that are used to prevent a seal from extruding through any gaps while under pressure.
备份环形状类似垫圈，用途为防止密封件遭到挤压。
To the end of lower pressure cylinder, the thesis set up architecture of multi-objective energy saving for thermal power units on the basis of power characteristic to back pressure of steam turbine.
针对汽轮机低压缸末端，本文基于汽轮机的功率背压特性建立了循环水变速调节系统的多目标节能优化体系结构。
When the balloon had traveled about 17 miles up, air pressure would cause it to pop, and a parachute dangling from the side of the cooler would lower the contraption back to Earth.
当气球在大约17英里旅行时，空气压力将导致它的流行，以及降落伞从冷却器方悬挂会降低玩意儿回地球。
The Blues boss believes Given has suffered a dip in form because he is under no pressure from back-up keeper Stuart Taylor.
曼奇尼认为，由于后备门将泰勒没有给吉文带来任何压力，因此，他的状态已经有所下滑。
The Blues boss believes Given has suffered a dip in form because he is under no pressure from back-up keeper Stuart Taylor.
曼奇尼认为，由于后备门将泰勒没有给吉文带来任何压力，因此，他的状态已经有所下滑。
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