We have four girls and three boys.

我们有四个女生，三个男生。

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We have four thousand accredited colleges and universities.

VOA: special.2010.11.18

So we can think about now doing bonding, and now we have four equal orbitals with one electronic each.

我们现在可以考虑成键了，现在我们有4个等价的轨道，每个上面有1个电子。

麻省理工公开课 - 化学原理课程节选

So we can have four total hydrogens bonding here, - and we can think about how to describe these carbon- carbon bonds.

我们这里一共有四个氢原子成键，我们可以考虑怎么来-,描述碳碳键。

麻省理工公开课 - 化学原理课程节选

"We have four bedrooms, a study, living room, dining room, kitchen, " Rajanna Sreedhara says.

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Then we have four of the past traditional major smarthphone makers: Sony, Blackberry, LG and HTC.

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"We have four foot snow drifts on our lane and it's wild outside, " Mr Newbold said.

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