止回阀是防止介质倒流的自动阀门，流体从进口侧流向出口侧。
Check valves are automatic valves to prevent the media back, fluid from the inlet to outlet side to side.
对夹止回阀是用于防止管道和设备使用中介质倒流的一种 阀门；
Wafer swing check valve is used to prevent media from flowing backwards in pipeline and device ;
心痛或者胃酸倒流的不舒服，还有多次起身小便可能非常破坏很好的夜间睡眠。
Discomfort with heartburn or acid reflux as well as needing to get up multiple times to urinate can be very disruptive to a good night's sleep.
启闭件靠介质流动和力量自行开启或关闭，以防止介质倒流的阀门叫止回阀。
Headstock piece on media flows and forces open or closed to prevent backflow valve media called a non-return valve.
我知道，在这个世界上，没有能让时光倒流的月光宝盒，许下的，只是个心愿。
I know that in this world, there is no let turn the clock back to Moonlight, promised, only a wish.
而FDF理论分析可得出一个壁面（冷壁）或两个壁面均出现倒流的判断准则。
The criterion for judging flow reversals can be obtained through FDF theory.
约90%的患者有一个切开后长期吞咽困难救济，与胃酸倒流的症状发生率较低。
About 90% of patients have long-term relief of dysphagia after a myotomy, with a low incidence of symptomatic acid reflux.
专家说：这种自然侧躺的姿势有利于消化，和急救时用的姿势很像，可以减少夜间胃酸倒流的情况。
WHAT the EXPERTS SAY: Known as the recovery position because it's similar to the posture used in medical emergencies, this can help reduce acid reflux and aid indigestion.
倒流的流体通过倒流的流体压力将止回关闭装置与阀体紧密密封，从而实现阻止倒流的“止回”功能。
Reversed flow is stopped or held in "check" by fluid backflow pressure which seats the closure device against the valve body.
旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
约翰-惠勒和诺贝尔奖得主理查德-弗雷曼，他们基于物理体系中时间应该可以倒流的想法，提出了一种反物质理论。
One theory about why antimatter exists was developed by John Wheeler and Nobel laureate Richard Feynman based on the idea that physical systems should be time-reversible.
然而，一旦你无奈地接受时间不能倒流的事实，你只得把身旁的事情全抛在一边，集中心思做一次全面彻底的复习。
However, once resigned to the fact that you can't put the clock back, you prepared to give yourself up to full and thorough revision, putting aside all else in life.
但是这部电影有一种戏剧性十足的、时运不济的浪漫元素，这部短篇小说(主要)讲述了滑稽严酷的现实，时光倒流的生活方式。
But while the movie is something of a dramatic, star-crossed romance, the short story is hilariously grim about the realities of an aging-backwards lifestyle.
主要用于高压加压的天然气加气系统，防止加压天然气倒流的阀门。焊接式高压单向阀是靠管路中介质本身的流动产生的力而自动开启和关闭的，属于一种自动阀门。
Welding type high pressure check valve is generated by the pipeline flow of the medium itself force automatically turned on and off, is an automatic valve.
很少有人希望时光倒流，但或许我们需要提醒自己，适当的障碍是多么有用。
Few of us wish to turn the clock back, but perhaps we need to remind ourselves how useful the right obstacles can be.
当广告商努力向我推销“让时光倒流”的方法时，我不得不忍住笑。
When advertisers try to sell me ways to "turn back the clock", I have to suppress a laugh.
我们总是希望时光能够倒流，让我们再次重温生活的那些美妙时刻和难忘的回忆，但是显然这依旧是个传说。
We wish to live those beautiful and unforgettable moments again by turning back time which is obviously still a fiction.
因此，当我们观测的距离越远，光线传播到那里花费的时间也越长。因此我们能够看到时光倒流。
So, as we look further and further away, it takes longer and longer for the light to get from where it's emitted to here and we can actually see backwards in time.
如果时光倒流,我能为本科时期的我,提个建议的话,我会说，为自己作出的决定和勤奋工作，而不是自己的天赋感到骄傲。
If i would go back in time and give myself one piece of advice as undergradute, it would be take pride in your decisions and hardwork, but not in your gifts.
这个方案是少数几个能使时光倒流，减少大气中二氧化碳水平的方案之一。
One of the few options that could turn back the clock and reduce carbon levels in the atmosphere.
如果你意识到你们的关系已经完全结束了，尽管你奢望时光能够倒流，一切却再也无法回到过去，那么就专注于眼前吧。
If you get it in your mind that the relationship is currently over. You can't go back in time, though you probably wish you could. Concentrate on what is going on now.
如果衰变产物出现，这意味着它们是由时光倒流回去或从其他维度来的粒子产生的，这些粒子则出现在产生它们的碰撞之前。
If that happens, it means that they will have been produced by particles that have gone back in time - or through another dimension - to pre-date the collision that produced them in the first place.
后来我了解到起因是胃酸倒流，这是很多人都会碰到的情况：通常在睡觉的时候，胃酸回流经过食道，烧伤了声带。
Then I learned that the problem was acid reflux, a relatively common condition in which stomach acid comes back up the esophagus and scalds the vocal cords, usually during sleep.
但是如果走的更远些，当你走进那些遥远的森林和村庄时，你会感觉时间仿佛倒流了-从那些无地劳工和森林居民的脸上和棚屋里，你会感觉仿佛又回到了过去那段停滞的年代。
But travel further into remote forests and far-flung villages and you will be travelling back in time — the past lingers here, in huts and on the faces of landless labourers and forest dwellers.
不幸的是，时光不能倒流，我们不可以回去看看究竟发生了什么，所以这些猜测，仍将仅仅是猜测。
Unfortunately it's not possible now to rewind the movie, so to speak, and see what actually happened. So these speculations will remain just that: speculations.
首先，让我们把时光稍微倒流一点——部分历史能帮助我们理解今日的世界。
First, though, let's look back in time just a bit-some history will help us put today's world into context.
首先，让我们把时光稍微倒流一点——部分历史能帮助我们理解今日的世界。
First, though, let's look back in time just a bit-some history will help us put today's world into context.
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