名词
中文翻译：向上卷曲的
同义词：
['upside-down', 'turn over', 'roll up']
例句：
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1. The ball was upside down on the ground when I picked it up.
当我捡起球时，它在地上是倒着的。
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2. She turned over the pages of the book and found a hidden message.
她翻过书页，发现了一个隐藏的信息。
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3. The car rolled up to the curb, and we all got out to greet the driver.
汽车开到路边，我们都下车去迎接司机。