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Also, what's the energy per photon of this red laser pointer, and then it's also worth trying a calculation dealing with intensity. So let's also try calculating the numbers of photons that would be emitted by this laser pointer, if, for example, we were to use it for 60 seconds and this were a one milliwatt laser.
同样，红色激光笔的,每个光子能量是多少，这也值得用处理强度的方法计算一下,让我们也计算一下,有多少光子会从这个激光笔射出，举个例子，如果我们使用它持续60秒,这里会有一毫瓦的激光。
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Let us look at some examples of how we can use the "Do you" pattern in real life.
下面我们来看几个例子，看看在现实生活中该如何使用这个句型。
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Let me show you how you could use this pattern in an example or two or three.
下面我们来看几个例子，看看该如何使用这个句型。
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Let's look at a few examples of how we can use the "I don't know" pattern.
下面我们来看几个例子，看看该如何使用这个句型。
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So, I'm going to give you a few examples of how to use "Is there any."
下面我们来看几个例子，看看该如何使用这个句型。
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Let's look at how we can use the "who" questions in a few simple examples.
下面我们来看几个例子，看看应如何使用这个句型。
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Let's look at a few examples of how we can use this fantastic pattern.
下面我们来看几个例子，看看该如何使用这个特别棒的句型。
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Let's look at a few examples of how we can use the "where" pattern.
下面我们来看几个例子，看看该如何使用这个句型。
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Let's look at some examples of how you can use "would you please."
下面我们来看几个例子，看看该如何使用这个句型。
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Let me show you what I mean by giving you a few examples.
下面我们来看几个例子，看看应如何使用这个句型。
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Let me give you an example of what we're talking about.
下面我们来看个例子，看看应如何使用这个句型。
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I'll give you a few examples of how to use this.
下面我们来看几个例子，看看该如何使用这个句型。
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