This company's preview shows the possibility of a classroom where you can watch animals floating in front of your eyes.

这家公司的预展向人们展示了一种可能性，即可以在教室里看到动物漂浮在你眼前。

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Mother is in the front of the classroom.

母亲在教室最前头。

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This is our classroom, in front of which there is a teachers' desk.

这是我们的教室，前面有一张讲台。

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Colleges are sprawling institutions that do much more than pay professors to stand in front of a classroom, and those things all cost money.

FORBES: Why College Dorms Cost So Much

But how do you know whether someone has withitness until she stands up in front of a classroom of twenty-five wiggly Janes, Lucys, Johns, and Roberts and tries to impose order?

NEWYORKER: Most Likely to Succeed

And because we know that from the moment our kids enter a school, the most important factor in their success -- other than their parents -- is the person standing in front of the classroom, the teacher.

WHITEHOUSE: President Obama Announces $4 Billion Investment in Education | The White House