Our classroom building stood out clearly against the blue sky.

蓝天清晰地衬托出我们的教室大楼.

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Here we are in the new classroom building.

我们现在在新教学楼内.

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This two - story building is a classroom building.

这栋两层小楼是教学楼.

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The house under repair is our classroom building.

正在修建的房屋是我们的教学楼.

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As a follow a recycling box was placed in each classroom building to recycle used batteries.

随后在每个教室里安放回收废电池的箱子.

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Our classroom building has changed a lot. It has become higher and more new than last.

我们的教学大楼也发生了很大的变化, 它比以前显得更高更新了.

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