称空气的男孩

The Boy Who Weighed Air

A1 · Beginner · 1 min read

托马斯十岁。他说：“空气有重量。”姐姐埃莉萨笑了。“空气什么都不是！”托马斯把一个瘪了的足球放在厨房秤上。然后他用力给它打气。他又称了一次。它重了几克！埃莉萨检查了两遍秤。

他们的爸爸说：“空气压着一切东西。”托马斯给全班看，还在科学展上得了一条丝带。埃莉萨帮他。她是“空气部门主管”。

Read it at A2 Same story, a little harder.

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