B Some people call it H but I am going to use b.

有些人称之为h，但我称之为。

youdao

And it includes alternative schools with students selected by lottery, such as H-B Woodlawn in Arlington, Va.

它还包括学生是通过抽签来选择的其他学校，比如弗吉尼亚州阿灵顿市的 H-B 伍德罗恩高中。

youdao

It can run at the speed of up to 50 km/h on the tracks.

它在轨道上运行的速度能达到每小时50公里。

youdao

The drug is nevirapine. If it is given within seventy-two hours after birth, it can often protect babies from H.I.V.

VOA: special.2010.05.24

So it helps us predict, will we see this, for example, h 2, which we're going to be about to do, we'll see is stabilized because it has more bonding than anti-bonding.

这帮助我们预测，我们等会会看到，比如H2O，我们等会要讲到，我们会看到它更稳定是,因为成键比反键更多。

麻省理工公开课 - 化学原理课程节选

So it has a bond, there's no bond in h e 2.

所以在He2里没有键。

麻省理工公开课 - 化学原理课程节选

The most impressive thing is how well it plays H.264 HD encoded material, the CPU never goes over 60% and is usualy closer to 50% and scrubs perfect.

ENGADGET: MacBook Pro: the ultimate portable HD machine! HD

If it sees you buying Preperation H, it may try to sell you a padded ring.

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It should be S-h-a-i-k-h or S-h-e-i-k-h, but not S-h-a-y-k-h, as it is in the subject line.

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