Could you watch my bags for me while I buy a paper?
我去买份报纸,你能替我照看一下我的包吗?
Now students can watch videos about their research topic as they write a paper.
现在学生们可以在写论文的时候观看关于他们研究主题的视频。
Perhaps use paper mache to make a "volcano" and watch it erupt using baking soda and vinegar.
用纸做一个“火山”,看着它喷发出苏打和醋。
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