This paper refers to the concept of clean production and its back-ground and origin.
介绍清洁生产的概念及其产生的背景。
The bird, delighted with its liberty, rose, flew away and did not come back.
小鸟为自己获得自由而高兴，它站了起来，飞走了，再也没有回来。
Now back to HTML5 and its video element.
现在，再回过头谈HTML5和它的video标签。
Study its features, but then "step back" and just take it in as a whole.
研究它的特征、然后“后退一步”，把它当做一个整体来看待。
Save the game, and then reload the form to bring it back to its original state.
保存游戏，然后重新载入表单使游戏回到初始状态。
We can either stand back and say, 'Let nature take its course,' or we can decide that this is our responsibility and do something about it.
现在我们要做一个决定，或者我们可以后退一步说，‘让自然界自己选择未来吧，’或者我们可以下定决心：这是我们的责任，我们一定要为此做些什么。
Generate its own electricity on site, and export any surplus electricity back to the grid.
l自主发电并将多余的电力传送回输电网。
Turn the mind back upon the mind and it will reveal its secrets.
将头脑转回头脑上，头脑会透露它的秘密。
I take it off and then it goes back to its roughly ten seconds.
我把它放下，它就又回到，原来的10秒了。
This part dissertates the image of "back garden" on its connotation and generation.
本章从“后花园”意象的内涵和生成两个方面进行论述。
Its back has been scalded, and it can just move its head and legs.
它的背已经被烫伤了，浑身只有头和腿还能动。
The tree dated back to 1906, and it was cut down yesterday by its owner.
这棵树可回溯到1906年，它昨天被他的主人砍掉了。
Played back today this early electronic music still arouses wonder at its creation and power.
时至今日，这些早期的电子音乐的创造性和威力仍然激起人们的无尽憧憬。
Hold the air mouse horizontally with its front side up and back side down.
需要正面朝上，背面朝下，水平握住空中鼠标。
Its time for everyone to take a step back and ask ourselves do I have a good work life balance?
时间对每个人都退一步问自己我有一个好工作生活平衡吗？
I was a bit concerned and let the stool go back to its starting position.
我是有点担心，让粪便回其出发的立场。
Maybe its time to step back and take a look at what is really important in your life.
或者是该退后一步，想想你的生掷中什么是最紧张的了。
A flower may wither and die but it will come back with its loveliness.
花儿会枯萎凋谢，但是它会娇艳的归来。
The firm drew back from its agreement and wanted to talk about a new contract.
该公司撤销了协定，要求另行商定一个合同。
Back and forth method is a new tool in study of model theory and its application.
向前向后方法是模型论及其应用研究中的一个新的工具。
Back-and-forth method is an important tool for studying model theory and its application.
向前向后方法是模型论及其应用研究中的一个很重要的工具。
There is a kind of life in the world, and its every death, is for the back!
世界上有一种生命，它的每一次死亡，都是为了归来！
I cut this stamp with a knife carefully, and then cleaned its back with water.
我小心翼翼地割下邮票，然后用水清洁邮票背面。
But the special is not only new and original and let people feeling their difference. In fact, it came back to its special character.
而这个特殊不光是标新立异，是让人感觉有强烈的不同，其实是要归位到自身的特殊性质上来。
Great Italy, and its great left back!
伟大的意大利，伟大的意大利左后卫！
Great Italy, and its great left back!
伟大的意大利，伟大的意大利左后卫！
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