Look at this man. What is he doing? He’s carrying a very big box. The box is full of big apples.
看这个男人。他在做什么？他正扛着一个大箱子。那个箱子装满了大苹果。
He wants to put it on the back of his bike and take it home. Can he do that?
他想把箱子放在自行车后座然后带回家。他能做到吗？
No, I don’t think so. Why not?
不，我觉得不能。为什么呢？
Because the box is full and too heavy.
因为箱子太满、太重了。
Look! What’s wrong?
快看！发生了什么？
He drops the box.
他的箱子掉了。
Poor man!
可怜的人！
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