当我们沿着一条拥挤的街道向前走的时候，我们听到后面有急促的脚步声和喊叫声。
And then, walking down a crowded street, we heard behind us the sound of pounding feet and somebody yelling at us.
那么当我们沿着行向右走的时候，这是我漂亮的元素周期表。
So as we go across the row, and this is my beautiful picture of a periodic table here.
但是，当我们到达山脚下的时候，我爱人劝说我女儿跟她一块去绕着山路走一圈。
But when we reached the foot of the park, my wife persuaded my daughter to take a circling walk around the mountain with her.
当我们在街上走的时候，可以看到广告无处不在，广告通过报纸，广播等等方式传播。
When we are walking on the street, we can see the ads everywhere, they are spread by the newspaper, the radio and so on.
当我们沿着行，向右走的时候，可以发现电离能是逐渐升高的，我们可以从逻辑上思考一下为什么会这样。
As we go across the row what happens is that the ionization energy actually increases, and we can think about logically why it is that that's happening.
我鼻口周围的毛变成了灰色。当我们一起走的时候，我的关节疼痛不已。
The fur around my muzzle 3 is grey and my joints 4 ache when we walk together.
我鼻口周围的毛变成了灰色。当我们一起走的时候，我的关节疼痛不已。
The fur around my muzzle 3 is grey and my joints 4 ache when we walk together.
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