So we are burning up an enormous amount of fuel at every launch just to get the rocket up to what's known as escape velocity.
所以每一次发射我们都要耗费大量的燃料来让火箭达到所谓的“逃逸速度”。
Without chemistry, we would never have known that we need soap to get the oil out of clothes.
如果没有化学，我们永远不会知道我们需要肥皂来去除衣服上的油污。
But if we put this together for a valid argument we get that is known to be false, so we know either one of these got to be false.
但是如果我们一起放出这个，作为有效论点，我们知道的就为假，所以我们知道两者中的一个为假。
To get there I have to pass through Varna's outstanding feature - the beautifully designed stretch of parkland known as the Sea Gardens, which separates the beach from the main coastal road.
到海滨我要经过瓦尔纳非同一般的景观区——设计美妙，被称为海洋花园的绿带，这条绿带把沙滩和海滨主干道分开。
Thelowest-rated securities (the last to get the cashflows and the first to bearthe brunt of default) are known as “equity”.
最低评级的证券也被称为“股票”（因为都是最后才能得到现金流和第一个承担主要拖债风险的证券。）
But I say to you what every warrior has known since the beginning of time: you've got to get mad.
但是我必须告诉你，每个战士在一开始就该有这种认知：你必须让自己疯狂起来。
I should not have spoken so, if I had known her true condition, but I could not get rid of the notion that she acted a part of her disorder.
如果我知道她的真实情况，我就不该这么说了，可是我没法摆脱这样的念头。她的病有一部分是装出来的。
I have known families that suffer from the results of this high risk for years and intend to get enough attention to stop the use of terbutaline for preterm labor.
我知道多年来有些家庭遭受了这种风险，希望这些家庭的遭遇引起人们足够的重视——停止使用特布他林治疗早产。
“Some people,” he adds, “get addicted to feeling anxious because that’s the state that they’ve always known. If they feel a sense of calm, they get bored; they feel empty inside.
他说，“有些人沉溺于感受焦虑是因为那是他们熟悉得一种感受，如果他们觉察到自己平静下来，就会厌烦，感到内心空虚。
Statins are known to cause muscle aches and liver dysfunction; warnings of both possibilities are prominent in the printed instructions patients get when they pick up their prescriptions.
众所周知，司他汀会造成肌肉疼痛和肝功能异常；当患者拿到自己的药方时，在印刷的用法说明书上这两种可能性的警告显而易见。
The viruses, known as lentiviruses, are different enough that cats can't catch HIV and people can't get FIV, but most of their basic biochemistry is the same.
这些慢病毒非常不同，以至于猫类不会感染HIV而人类不会感染FIV，但是他们基础的生物化学属性是相同的。
"Some people," he adds, "get addicted to feeling anxious because that's the state that they've always known." If they feel a sense of calm, they get bored; they feel empty inside.
他说，“有些人沉溺于感受焦虑是因为那是他们熟悉得一种感受，如果他们觉察到自己平静下来，就会厌烦，感到内心空虚。”
Also known as the Diamond-Water paradox, the paradox of value is the contradiction that while water is more useful, in terms of survival, than diamonds, diamonds get a higher market price.
又称钻石与水悖论。价值悖论的矛盾在于：从生存的角度来说水比钻石更为有用，然而钻石的市场价值却要比水高。
It is well known that many sorts of cancer run in families; in other words you get them (or, at least, a genetic predisposition towards them) from your parents.
癌症会在家族中蔓延是大家熟知的；换句话说，你是从父母那里得到癌症的(或至少是易患癌症的倾向)。
Although many women will have a normal pregnancy and birth, it is well known that there are higher risks involved for these types of pregnancy and so it is important to get it right.
虽然很多妇女会有正常的怀孕和分娩过程，如大家所知，多胞胎分娩有更高的风险，所以正确的指导是很重要的。
Getting useful energy from formate is now the simplest way known for any life form to get its fuel, though it relies on the absence of oxygen.
从甲酸盐中获取所需的能量是目前最简单的维持生命方式，虽然它依赖于无氧的环境。
It also begged the question of how a company known for being so intuitively connected to consumers could get it so wrong.
这也提出了一个问题：一家以与消费者心有灵犀而出名的公司怎么会犯错呢？
Obama aides have let it be known that a key theme will be restoring responsibility - both in terms of accountability in Washington and the responsibility of ordinary people to get involved.
奥巴马的幕僚透露出讲话的主题将会是恢复责任心——既是指华盛顿的责任，又包含每个普通人加入进来的责任。
Another approach is to get an estimate of the number of users a system can handle based on the available page per second rate of the system, if known.
另一种方法是，根据系统中的每秒页面速率(如果已知的话)，估计系统可以处理的用户数量。
Sometimes these are known as coffee ICONS — you click them and then go get a cup of coffee while they start up a set of programs that you need to work with.
这些图标有时也称为咖啡图标，点击这些图标后，在其启动所需的一组程序时，您可以起身去倒杯咖啡。
Before the collapse of the building, many people did manage to get away, but figures aren't yet known.
在大厦倒塌之前，许多人都得以逃出，但确切的数字目前还不清楚。
The third team, the University of Saskatchewan Space Design Team, known as USST, are still to compete, and the Space Pirates also get to try again on Friday.
第三支队伍，萨斯喀彻温大学宇宙设计团队（USST）仍然在竞赛之中，同时宇宙海盗队在周五还有一次机会。
However do some clever investigative stuff that I don't really get (because I honestly don't care) this is the last known picture of Abraham Lincoln.
但是进行一些信息的调查之后我们也无法确认这到底是不是亚伯·汉姆·林肯的最后一张照片，但是这又有什么关系呢？
GET is an operation that should be free of side effects, a property also known as idempotence.
GET是应该没有副作用的操作，即所谓的等幂性属性。
It's known that in the past few years, a coach in Germany tried to get these kinds of therapies into the hands of competitors.
据了解，过去数年间，一名德国教练试图在一些参赛运动员身上使用基因疗法。
"I just had time to get off a few frames of black and white and a few of color, then the light was over and the mood was over," Uzzle says of what would become his best-known photograph.
我正好有时间拍下了几张黑白照片和几张彩色照片，过后光线就不行了，氛围也没有了。
With the help of the net you can get many useful imformations, you can make friends with different people who are known or unkown, you can ask the help or question the answer.
在网络的帮助下，你可以得到很多有用的信息，你可以和不同的人交朋友是已知或可知，你可以要求帮助或问题的答案。
With the help of the net you can get many useful imformations, you can make friends with different people who are known or unkown, you can ask the help or question the answer.
在网络的帮助下，你可以得到很多有用的信息，你可以和不同的人交朋友是已知或可知，你可以要求帮助或问题的答案。
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