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Offer them fifty thousand dollars in savings bonds and the ceremonial title of "America's Top Young Scientist."
VOA: special.2009.10.15
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Why would you put any of your assets in bonds if stocks are going to give you 16,000 times your money?
如果股票收益能有16000倍,为什么还要买债券
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That could be investor only in bonds or an investor only in stocks, but I also show on here what some other returns are that are available.
表示投资者只投资了债券或者只投资了股票，同时我在这里也展示了,其它可能性组合的收益。
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Islamic bonds can be structured in different ways, but a major idea is shared profit and loss.
VOA: special.2009.12.11
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So either a potassium cyanide or sodium cyanide, these are used in synthesis in terms of making carbon-carbon bonds.
因此无论是氰化钾还是氰化钠，都被用来在合成过程中,制造碳碳键。
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About six billion of it is in Islamic bonds, including a three and a half billion dollar bond set for repayment on Monday.
VOA: special.2009.12.11
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So, somewhere in between, the bonds are, we have a range of bonds between ionic on the one hand, and perfectly covalent on the other hand.
因此在中间，这些键，一方面是离子性，另一方面是完美的共价键。
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Businessmen and rich landowners had put their money in Confederate bonds, now completely worthless.
VOA: special.2010.01.14
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You know that these molecules are also linked in another way, by the phosphate bonds that connect the 3 and the 5 carbons of adjacent nucleotides.
这些分子还通过别的方式连接在一起,例如通过相邻核苷酸的3碳位和,5碳位之间的磷酸键相连
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"What was different about the Irish approach was that all deposits were guaranteed and bondholders,investors that had bought bonds in these banks, also received the government guarantee.
VOA: special.2010.11.26
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Once again, in many ways, we see Socrates dissolving the bonds of the familiar.
从很多方面看来，这不就再一次让我们看到苏格拉底解开常规的束缚。
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If your disposal of the money in question has been sensible, wise, or unselfish, it is in our power to give you bonds to the value of fifty thousand dollars.
VOA: special.2011.08.13
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In other words, the bonds are much stronger.
换句话说就是化学键更强。
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The tariff has spurred a wave of anti-American Internet postings in China, with calls for Beijing to stop buying U.S.bonds.
VOA: standard.2009.09.14
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Now, the problem is that if you invest in bonds from some state or local government, they might not pay you back; they can just go bankrupt.
现在的问题是如果你投资了,州或者地方政府发行的债券,他们可能无法支付,他们可能会破产
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Federal Reserve officials announced a plan to purchase up to $300 billion in long-term U.S.government bonds to bolster the nation's economy.
VOA: standard.2009.03.18
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So we started with 10 valence electrons, we used up 8 of those electrons in terms of making bonds.
我们一开始有十个价电子，然后用掉了八个电子来成键。
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He was released in December, and now works at his father's insurance and bail bonds company.
VOA: standard.2010.03.25
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So let's have a clicker question here on how many total pi bonds do you expect to see in benzene?
让我们来做个课堂习题,你们觉得苯环里有一共多少个π键？
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The bonds are auctioned off on regular dates and you cannot participate in the auction; I assume you can't.
这些债券在规定期限内拍卖,你们不能参与这些拍卖,我想你们是不行的
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Cities go bankrupt and they just can't pay, so you as a buyer of these bonds feel reluctant to invest in them.
如果一市政府破产了,他们将无法支付,因此作为投资人,你可能不想购买它
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When it gets to thousands of atoms things start to condense because there is a capacity to form other bonds secondarily, which we will get to in a little bit.
当有成千上万的原子,开始浓缩,因为形成次级键,的趋势，然后得到的体积只有一点点。
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As we see a little bit later, I could talk about the carbon-hydrogen bond in methane where there is a plurality of bonds. In this case, there is only the one bond but I just want to get the formulas.
因为我们后来看到一点点，我能讨论甲烷中的碳氢共价键,那有许多共价键，这种情况下，这只有一条共价键,但我想得到氟。
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So what we need to do is fill in those extra bonding electrons into our bonds.
因此我们需要,把这些电子也填到键中。
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So, in talking about covalent bonds, we should be able to still apply a more general definition of a chemical bond, which should tell us that the h 2 molecule is going to be lower in energy than if we looked at 2 separate hydrogen atom molecules.
那么，既然提到了共价键，我们应该还可以,给化学键下一个更普遍的定义,那就是告诉我们氢分子能量应该更低,与两个分开的氢的单原子分子相比。
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It is an aggregate of four polar bonds, but they are symmetry arranged in space.
这是四个极性键，按空间对称聚集的结果。
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Symmetric disposition of polar bonds still results in a nonpolar molecule.
空间对称的极性键分布,还是会导致整个分子为非极性分子。
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This is in direct contrast to when we're thinking about pi bonds.
这和π轨道,是截然相反的。
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And if we put that in our bond here, we have 1, 2, 3 bonds, plus we have one lone pair left over.
如果我们把它们放到键里，我们有1，2，3个键，还剩下一对孤对在这里。
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All right, so we can now see a little bit of what the power of molecular orbital theory is in predicting what kind of bonds we're going to see in molecules, or whether or not we'll see this bonding occur at all.
好了，我们已经可以看到一点,分子轨道理论在预测分子中,所成的键或者分子，能不能成键方面的能力了。
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