We really don't know a lot about how long a wood frog normally lives, probably just a few years but there is no evidence its longevity.

对于一只树蛙通常能活多久，我们确实知道得不多，可能只有几年，但没有证据表明它能长寿。

youdao

Don't think about how long it has been this way.

不要去想这样子已经持续多久了。

youdao

Then I told my brother and Mother the truth about how long I'd known.

然后我告诉弟弟和母亲真相——我早就知道罗杰犯法的事了。

youdao

We talked last week about how this idea developed a long time ago.

VOA: special.2010.03.12

And this is a very fast speed, of course, it's about 700 million miles per hour. So, one way to put that in perspective is to think about how long it takes for a light beam to get from earth to the moon. Does anyone have any guesses? Eight seconds, that sounds good.

当然这是一个非常快的速度，它大约是每小时7亿英里,为了更形象化，我们,看看光从地球到月球,需要多少时间，你们猜猜是多少？,8秒，猜的不错。

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But I don't really know about how long it would take people to hack, like, the general firewall

但我不知道人们具体要用多长时间才能穿过防火墙，

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The answer is, some investors are concerned about how long current profits can hold up.

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Just think about how long it took cable companies to get customers to bundle services.

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And we can get into a debate about how long the rules should last.

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