Meadow voles do not form pair bonds.

草原田鼠却不会结成配偶。

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What you used to do is, every six months you'd pull out your bonds and you'd clip the coupons with a pair of scissors; you take them to a bank and they would give you cash for your coupons.

过去，你每六个月从你的债券上，用剪刀剪下息票，把它拿到银行，用息票兑换现金。

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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。

麻省理工公开课 - 化学原理课程节选

If these bonds were all completely of equal distance apart, whether is was a lone pair or bonding electrons, 5° the angles would be 109 . 5 degrees.

如果不管它是孤对，还是成键，它们等距分开的话，键角是109。

麻省理工公开课 - 化学原理课程节选

What you used to do is, every six months you'd pull out your bonds and you'd clip the coupons with a pair of scissors; you take them to a bank and they would give you cash for your coupons.

过去,你每六个月从你的债券上,用剪刀剪下息票,把它拿到银行,用息票兑换现金

耶鲁公开课 - 金融市场课程节选

The watchdog is said to believe the executive pair were party to "privileged information" surrounding the issue of the bonds.

BBC: NEWS | Business | Watchdog probes Vivendi bond sale

The latest charges about Barry Bonds' doping come in a book called Game of Shadows by a pair of San Francisco Chronicle reporters.

NPR: Book Accuses Bonds of Using Performance Drugs

Levine and Sheil make a plausibly edgy, cultured pair (his opening riffs on Philip Roth are as smart as they are crisply declaimed) whose bonds are facing their first serious strain, which is captured in understatedly contentious dialogue and nuanced glances.

NEWYORKER: Green