Listen carefully and guess what it is.
猜猜它说的是什么。
At first, let's look at the pictures. Please look and guess what it is.
首先，让我们来看几幅图片，猜一猜图片里的到底是什么，然后请你用英语告诉老师。
Then, boys and girls, now guess, what is it ?
好啦，现在，小朋友想想，是什么东西？
And it is difficult to guess what that value might be from our side of the glass.
这是很难从我们这边来猜测它到底值多少钱的。
And it is difficult to guess what that value might be from our side of the glass.
这是很难从我们这边来猜测它到底值多少钱的。
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