今天，全体学生中大概有60%是黑人和西班牙人，25%是亚洲人，另外15%是白人。
Today, the student body is roughly 60 percent Black and Hispanic, 25 percent Asian, and 15 percent white.
虽然科学家曾被认为是怪人、是该体制的局外人，而如今我们已经是权力集团的一部分。
While scientists were once considered cranks and outsiders to the system, we are now part of the establishment.
Ihave eaten是动词eat的现在完成时；Ihad eaten是过去完成时；Iwill have eaten是将来完成时。
'I have eaten' is the present perfect tense of the verb 'to eat', 'I had eaten' is the past perfect and 'I will have eaten' is the future perfect.
这种观点可能是正确的：它的优点是洋流是由温差驱动的，而温差本身又取决于大陆的位置。
This view may be correct: it has the advantage that the currents are driven by temperature differences that themselves depend on the position of the continents.
我的袜子是白色的，我的鞋子也是白色的。我的裤子是旧的，但我的短裤是新的。
My socks are white. My shoes are white, too. My pants are old, but my shorts are new.
它通常呈现的是一种正常的皮肤颜色，要么是红色，要么是棕色，甚至是灰色，还有一些黑斑。
It's a normal skin color, the one it generally presents, is either red or brown or even grey, and it's speckled with dark spots.
这些差异有的是生物性的，有的是天生的，是进化的结果吗？
Are some of these differences biological and inborn, a result of evolution?
冰川是开放系统，雪是系统的输入，融水是系统的主要输出。
Glaciers are open systems, with snow as the system's input and meltwater as the system's main output.
2007年，一个国际CEO组织发现43%的 CEO是老大，33%是中间的孩子，23%是家中最小的孩子。
In 2007, an international organization of CEOs found that 43% of CEOs are first borns 33% are middle children, and 23% are last borns.
当地的人们这样形容神农架的特殊气候：“山脚下是夏天，山顶是春天，山脚下是秋天，山顶被冰雪覆盖。”
"When the bottom of the mountain is summer, the top is spring and while the foothill is autumn, the top is covered with ice," local people say of the special climate of Shennongjia.
他猜测象形文字是语音符号是正确的，它们代表的是声音而不是图像。
He suspected rightly that the hieroglyphs were phonetic symbols, that they represented its sounds rather than pictures.
关于人性的原话是这样写的：“犯错是人的行为，而宽恕是神的事情。”
The original quote about human nature went like this: "To err is human, to forgive, divine."
她说：“我想说的是，大自然有些东西是用铅笔写的，有些东西是用钢笔写的。”
'What I like to say is that nature writes some things in pencil and some things in pen,' she says.
令人费解的是，花青素实际上是新生成的，是在树叶准备掉落的同时产生的。
What's puzzling is that anthocyanins are actually newly minted, made in the leaves at the same time as the tree is preparing to drop them.
每次我都会轻声回答：“爷爷，是我，我是雷！”即使他已经忘记了我是谁，他也永远会是我敬爱的祖父。
Each time I would answer softly, "It's me, Ray, Grandpa!" Even if he had forgotten who I was, he would always be my beloved grandfather.
园子里有许多花，一些是红的，一些是黄的，另一些是蓝的。
There are many flowers in the garden. Some are red; some are yellow; others are blue.
实际上，似乎是多种演示格式，尤其是其中一种是可视格式，可以帮助大多数人学习。
It actually seems that multiple presentation formats,especially if one of them is visual, help most people learn.
因为那些购买汽油的人和使用公路的人是同一批人，所以汽油税可能是是支付这项政府服务的公平方式。
Because those who buy gasoline are the same people who use the roads, the gasoline tax might be viewed as a fair way to pay for this government service.
一是2000卡路里是常人所需的平均值，但人们需要的热量是大大不同的。
One is that 2,000 calories are the average for the typical person, but people have greatly differing calorie needs.
一碗可口的牡蛎汤之后是鲱鱼和黄瓜，然后是烤嫩火鸡与玉米馅饼，接着是配着醋栗酱。
After a velvety oyster soup came shad and cucumbers, then a young broiled turkey with corn fritters, followed by a canvasback with currant jelly.
对于他们来说，好消息是事情没有变的更坏；坏消息是没有变坏的原因是它不能变得更坏了。
The good news for them is that things are not getting worse; the bad news is that this is because they cannot deteriorate any further.
据说，在英国死亡是迫在眉睫的，在加拿大死亡是不可避免的，在加州是可以选择的。
It is said that in England death is pressing, in Canada inevitable and in California optional.
你必须明白的是，尤其是在一些东方文化中，这类补药是传统医学的一部分。
What you must understand is that those supplements, especially in some Eastern cultures, are part of a medical practice tradition.
这似乎是合理的，但它仍然是一种理论，这个理论是基于我们对陆生动物的更全面的认识。
Plausible as this seems, it is still a theory and based on our more comprehensive knowledge of land-based animals.
奥巴马的预算主任彼得·奥斯泽格最近宣称美国的预算赤字是无法维持的——这一年是1.4万亿美元——他是对的。
Peter Orszag, Obama's Budget Director, recently called the U.S. budget deficits unsustainable—this year's is $1.4 trillion—and he's right.
雷电是由闪电产生的冲击波，它被认为是引发暴雨的原因，而暴雨是风暴的典型特征。
Thunder, the shock wave that comes from a lightning flash, is thought to be the trigger for the torrential rain that is typical of storms.
食物指南金字塔是一个图表，强调健康饮食的基础是谷物、蔬菜和水果，然后是应不断减少的乳制品。
The Food Guide Pyramid was a graphic which emphasizes that a healthy diet is built on a base of grains, vegetables and fruits, followed by ever-decreasing amounts of dairy.
尽管他谈论的是疯狂，而且他写的是关于精神疾病的文章，但他似乎是在展示而不是在解释它。
Although he was talking about madness and he wrote on mental illness, he seemed to be exhibiting rather than explaining it.
换句话说，信息是由更小的部分组成的，句子是由单词组成的，单词是由单个的声音组成的，等等。
In other words, messages are built up out of smaller parts, sentences out of words, words out of individual sounds, etc.
换句话说，信息是由更小的部分组成的，句子是由单词组成的，单词是由单个的声音组成的，等等。
In other words, messages are built up out of smaller parts, sentences out of words, words out of individual sounds, etc.
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