Look at the noun after to decide.

看后面名词决定。

You don't need to hide behind your device to share your voice.

你们不需要备后面分享你们声音。

So we can say the to emphasize the word that follows.

所以我们可以说 the 强调后面单词。

Suddenly the Persian came up behind him and took his arm.

突然那个波斯人从他后面走上抓住他手臂。

We use them as a single expression to describe the noun that comes after.

我们用它们作为一个单独表达描述后面名词。

And that is a stocking stuffed with hair that I've used to create this roll at the back.

这一只长袜，里面塞满了头发，我用它制作后面这个卷。

That process is also largely automatic, but you learn those reflexes by spending time behind the wheel, or behind the handlebars.

这个过程很大程度上也自动，但你通过花时间方向盘上或车把后面学习这些反应。

She did not draw rein but as she galloped madly toward them, she waved her arm back in the direction from which she had come.

没有勒马，但一路跑时向他们挥着手臂，指着后面那个方向。

He tried to hide his feet by scraping one foot behind the other when he stood up, but that only made it worse.

他试图用一只脚另一只脚后面摩擦隐藏他脚， 但这只会让情况变得更糟。

When the troops reached the banks they found that their arrows had no effect on these boats which had boards at the sides to protect the men behind.

当部队到达岸边时，他们发现他们箭对这些船不起作用，因为船两侧都有木板保护后面人。

Einstein's equations tell us that the amount of bending depends on the mass of the cluster, so we can, in theory, measure the mass of the cluster by the distortion of objects behind it.

爱因斯坦方程式告诉我们，弯曲量取决于星系团质量，因此，理论上，我们可以通过它后面物体变形测量星系团质量。

The business community can also help address identity politicsby investing in those communities that have been left behindby globalization and by free-trade agreements like NAFTA.In the United States, it was the working class that disproportionately suffered.

商界还可以通过投资那些被全球化和北美自由贸易协定等自由贸易协定抛后面社区帮助解决身份政治问题。 美国，工人阶级遭受损失尤为严重。

So again we need to look to the verb that follows the expression to determine is it has or it is. So in my first example it's a dog, we see a noun there. dog is a noun. it's a dog.

我们再次需要查看表达式后面动词确定it has还it is。我第一个例子it's a dog中，dog一个名词。