"He used to be so handsome."—"And now?"
“他过去曾经那么英俊。”—“那么现在呢？”
Oxygen could be used to breathe, and hydrogen could be turned into fuel, rocket fuel.
氧气可以用来呼吸，氢气可以变成燃料，火箭燃料。
Today, society is much freer and easier than it used to be.
今天的社会比过去更加自由和安逸。
Similar calculations can be used to compare the U.S. and other countries.
类似的计算方法可以用来比较美国和其他国家的情况。
This small town used to be quiet and beautiful in my memory.
在我的记忆中，这个小镇曾经是宁静而美丽的。
Something in chocolate could be used to stop coughs and lead to more effective medicines.
巧克力中的某些成分可以用来止咳，并产生更有效的药物。
Moreover, it can be used to assess economic performance both across countries and over time.
此外，它既可以用于对比国与国之间的经济业绩，也可以用于评估某个国家在某个时间段的经济业绩。
We miss what my grandma used to be and we miss her Charlie.
我们想念我奶奶以前的样子我们想念她的查理。
Now he is much happier and more outgoing than he used to be.
现在他比以前快乐多了，也开朗多了。
The key approaches to be used in test and evaluation are proven.
在测试和评估中所使用的关键方法是被证明的。
Here is an example to show how templates and applications can be used.
下面是如何使用模板和应用程序的一个示例。
Art and truth used to be fast friends.
艺术和真实曾是一对挚友。
Many methods and technologies can be used to give voice to the public will.
可以用很多方法和技术表达公众意愿。
The major and minor values can still be used to modify a command code.
major和minor值仍可用于修改命令码。
This ID can be used by customers, business partners, and others to join the meeting.
客户、业务伙伴和其他人员可以使用这个ID加入到会议中。
They could even see what used to be rivers and mountains.
他们甚至可以看见河流和山川的痕迹。
And any of those can be used to define the rate of reaction.
任何一个数都可以用，来定义反应的速率。
This will be used to programmatically switch low and high resolution background images.
这将用于以编程方式切换低、高分辨率的背景图像。
The relationship between patient and doctor used to be considered something special, almost sacred.
过去，人们常常以为医患关系非常特殊，几乎有点神圣的感觉。
This application can be used to create new folders and rules.
使用该应用程序可创建新的文件夹及规则。
Its music business is small, and much smaller than it used to be.
它的唱片业规模较小，就算和以前比也是如此。
Theyve both lost weight and are much healthier than they used to be, too.
他们也都减轻了体重而且身体比以前健康多了。
And they can be used to test new treatments for the disease.
并且可以用来测试这种疾病的新疗法。
Life is a journey and the steps above are tools to be used throughout life.
生命是一段旅程，上面的几步在人生的旅途中一直适用。
Tom and I used to be quite close when we were poor students at college.
我跟汤姆在念大学的时候都是穷学生，我们很要好。
The site can also be used to record and send short video messages.
该网站也可用来记录和发送简短的视频消息。
The seasons used to be certain and we would know when to plant crops.
以往的季节很确定，我们知道什么时候该种庄稼。
And inside, Hutto used to be just like a jail.
赫托中心内部一度就像一座监狱。
And inside, Hutto used to be just like a jail.
赫托中心内部一度就像一座监狱。
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