In July, a sister craft of the crashed spaceplane was reported to be about half-finished.
据报道，今年7月，与失事航天飞机同类型的一个飞行器已经完成了大约一半。
我估计他年纪在50左右。
Looking still further ahead, by the end of the next century world population is expected to be about ten billion.
再往远看，到下个世纪末，世界人口预期达到一百亿左右。
It is said that about 20% of 25- to 34-year-olds live with their parents, compared with 16% in 1991. The total number of all multigenerational households in Britain is thought to be about 1.8 million.
据说，25岁至34岁的人群中，大约20%的人和父母住在一起，而1991年这一比例为16%。据估计，英国多代同堂的家庭总数约为180万户。
Together, the value of these metals is estimated to be about $52 billion.
这些金属的总价值估计约为520亿美元。
Hacking used to be about geeky college kids tapping away in their bedrooms to annoy their elders.
黑客攻击过去通常指怪异的大学生在卧室里敲着键盘使用电脑来骚扰他们的长辈。
I loved animals, so when I saw some books that seemed to be about animals, I started leafing through them.
我喜欢动物，所以当我看到一些似乎是关于动物的书时，我就开始翻阅它们。
And that turns out to be about 885 meters.
大概就是885米。
Elephants can live to be about 70 years old.
大象可以活到70岁左右。
Peter,what's your project going to be about?
彼得，你的课题是什么？
Peter, what's your project going to be about?
彼得，你的课题是什么？
One of the victims looks to be about 15 years old.
其中一名遇难者似乎只有15岁。
But he hadn't yet decided how public to be about it.
但是他还不能确定公众会怎么想。
Sales this year are expected to be about half those in 2008.
今年的销量预计大约达到2008年的一半。
Dictionaries are routinely thought to be about the meaning of words.
通常，字典被认为是关于词汇意思的书籍。
You would expect the femur to be about 100 times larger, which is true.
你会认为大象的股骨,是老鼠的大约100倍大小，对，没错。
"I do think the election continues to be about Barack Obama," he said.
他说：“我认为奥巴马还将是选举的焦点。”
The payback period for the project is expected to be about 5.75 years.
该项目回收期预计约为5.75年。
"We don't just want to be about mapping," says John Kim of Healthy City.
健康城市的约翰•金(John Kim)先生说：“我们不要只是画画地图而已。”
The odds of having both diseases are thought to be about one in a billion.
这种病症发生的几率被认为是在十亿分之一左右。
How sure would he need to be about the identity of an attacker to "fire back"?
为确定攻击者身份并“反击”，他需要多大把握？
We will deal with it, and that's what this 2012 election is going to be about.
我们会解决它，这也将是2012年选举的焦点。
Misfortunes appear cryptic, symbolic; they seem clearly to be about our behaviors.
不幸显得隐晦，有象征意义；他们似乎明显与我们的行为相关。
It was ladybug. My presentation had to be about ladybug behavior, and I learned a lot.
演讲是讲瓢虫的生活行为的，而且我从中学到了很多。
We know this is going to be about the message of God given through the Jewish prophets.
我们知道这是讲上帝，通过犹太先知传达的旨意。
Most cases are mild to moderate, with H1N1 appearing to be about as deadly as seasonal flu.
大多数病例的严重程度为轻微至中等，而且目前看来H1N 1流感的致命性与季节性流感差不多。
Its epicentre was reported to be about 30 miles offshore from Padang, at a depth of about 53 miles.
据报道，震中距离巴东海岸30英里，震源深度约53英里。
That may have some sub-parts to it, but everything we do is going to be about economic recovery.
这个优先重点可能会有一些附带的问题，但我们所做到一切都将是为了经济复苏。
Have a clear intention about what your life is going to be about and what you want to do with it.
对于你的生活应该什么样，你需要做些什么，你必须有明确的意图。
In Europe, meanwhile, demand is still falling and there is reckoned to be about 30% too much capacity.
与此同时，欧洲的需求仍在下降，估计有大约30%的产能过剩。
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