In pre-Classical Greece, for instance, people "corrected" official calendars by shifting dates forward or backward to reflect the change of season.
例如，在前古典时期的希腊，人们通过前后移动日期来“修正”官方日历，以反映季节的变化。
In fact, some of these playwrights would start by writing the end of a play and work backward toward the beginning, just to make sure each event led logically from what had gone before.
事实上，一些剧作家会从剧本的结尾开始写起，然后倒着写剧本的开头，只是为了确保每一个事件都能从逻辑上与之前发生的事情联系起来。
Like a real RC car, you must be going forward or backward to negotiate a turn.
就像真实的RC汽车，你必须向前或者向后才能进行转弯。
However it starts with the most pessimistic estimate and then works backward to find a rough guess; and.
然而，这种估算从最悲观的估算开始，然后向后找到一个粗略的猜测。
The exhaust vents were moved backward to take advantage of the negative pressure suction caused by the built in spoiler.
在排气口被转移落后利用负压吸造成的优势，内置的破坏者。
Backward to the owners two days before items in the meters, there are hundreds of two to three hours to keep abreast of.
前两天在落伍给站长品米，两三个小时有数百个跟贴。
He calculated backward to figure out how big an X-ray dose would be needed to get the kind of images the machines produce.
于是他反向推算了一下扫描仪生成符合机场安检要求的图像所需的X射线剂量。
Move backward to the next Wiki link or URL, cycling if necessary. This function is not entirely accurate, but it's close enough.
向后移动到下一个链接或URL，如果需要将会循环。这个函数不完全精确，但非常接近。
The sales representative would bend over backward to please customers so he memorized their birthdays and the names of their children.
为竭尽全力取悦客户，这位销售员记住了客户的生日和他们的孩子的名字。
People watched in horror as a man tried to shimmy down the outside of the tower. He made it about three floors before flipping backward to the ground.
仿佛观看一部恐怖电影，人们眼睁睁地看着一个人沿着大厦的外面往下爬，爬了三层以后，便仰面向后坠落了。
For years, I've watched people yank their hands backward to secure a GREAT BIG, then get STUCK there because they have so far to go to recover the hands.
多年来，我见过许多人向后猛力划手以获取“强大推进力”，但由于双手复位划程太远，身体“几乎停在原位”。
Yet his decision offers at least some hope for health care reform because it bends over backward to limit the scope of his ruling in two important respects.
然而关键的问题是他的这一决定至少给医改法带来了些许希望，因为法官小心翼翼的将其判决的效力仅仅限于两个重要问题。
Once you are in the parking space, move forward or backward to fit within the pavement markings or to allow room for the vehicle in front or behind you to pull out.
一旦进入停车位，向前或向后移动，完全停入路面标线或是为前后车留出驶出车位的空间。
A slide lever on the bridge of the eyeglasses pushes the fluid forward or backward to alter the shape of that membrane, changing the focal distance depending on what the user is doing.
在眼镜横梁上的滑动控制杆推动流体向前或向后，以改变那层薄膜的形状，从而根据用户当前的动作来调整焦距。
How dreary looked the forest-track that led backward to the settlement, where Hester Prynne must take up again the burden of her ignominy, and the minister the hollow mockery of his good name!
那通往居民区的林中小路看来有多么沉闷，一回到那居民区，海丝特·白兰就得重新负起她那耻辱的重荷，而牧师则要再次戴上他那好名声的空虚的面具！
Snowball was a very exacting supervisor6 in designing and decorating their nest just so, while Sunshine, his face a glow with love, bent over backward to put everything just where she ordered.
在设计和装饰爱巢这方面，雪球是个苛求的领导，而阳光则满脸兴奋地按雪球的指挥竭尽全力地把东西放好。
XML was, of course, designed to express complex and specialized structures for content, and it seems a step backward to use a far less expressive construct just to embed the structure within HTML.
当然，XML是设计用于表示复杂的和专有的内容结构的，而且它似乎倒退了一步，使用表现力更弱的结构却只是为了在 HTML中嵌入这些结构。
We need to accelerate the pace of change in our backward country.
我们需要在我们这个落后的国家加快变革的步伐。。
She felt that going back to live in her home town would be a backward step.
她觉得回到家乡生活就是没出息。
In spite of Mrs. Medlock's warning, Mr. Roach only just escaped being sufficiently undignified to jump backward.
尽管梅德洛克太太警告了他，罗奇先生还是有些失礼地向后跳了。
It seemed to take Sirius an age to fall: his body curved in a graceful arc as he sank backward through the ragged veil hanging from the arch.
小天狼星摔倒好像用了很长时间：当他向后摔倒，通过了拱门上粗糙的帘子时，他的身体蜷成了一个优美的拱形。
Churchill got some surprised stares in 1941 when, evidently unaware of the vulgar usage, he gave the palm-backward "V" to British troops.
1941年，丘吉尔掌对英国军队做了个心向内的“V”形手势，当时有人惊讶地盯着他，显然他不知道这个手势的粗俗用法。
During a game, while sliding into third base, my cleat caught and pulled my foot to the right and backward as my body fell forward.
一次比赛，在进第三垒时，我的防滑钉被卡住了，身体朝前栽倒，脚腕却扭向右后方。
The final step came when steam was introduced into the cylinder to drive the piston backward as well as forward, thereby increasing the speed of the engine and cutting its fuel consumption.
最后一步是将蒸汽引入气缸，使得活塞前后推动，从而提高了发动机的速度，降低了燃料消耗。
Another set of participants had to count backward from 1,000 by nines as they watched the clips, occupying their conscious working memory.
另一组参与者在观看视频片段时必须从1000开始倒数，依次减9，这占据了他们有意识的工作记忆。
They glanced backward over their shoulders from time to time, apprehensively, as if they feared they might be followed.
他们时不时不安地回头望望，好像怕有人跟踪似的。
They glanced backward over their shoulders from time to time, apprehensively, as if they feared they might be followed.
他们时不时不安地回头望望，好像怕有人跟踪似的。
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