动词
中文翻译：压平
同义词：
['flatten', 'level', 'smoothen']
例句：
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1. The table was so uneven that we had to flatten it with a hammer.
桌子不平，我们不得不用锤子把它压平。
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2. The floor is too bumpy to walk on;it needs to be flattened before we can move in.
地板太不平整了，走在上面会摔跤，我们需要先把它压平才能搬进去。
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3. Try not to flatten the paper as you fold it.
在折叠纸张时，尽量不要压扁它。