短语
中文翻译：永远不平坦
同义词：
['uneven', 'unstable']
例句：
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1.The ground was never laid flat after the storm.
风暴过后，地面从未平整过。
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2.The car's suspension is never laid flat, which affects its handling.
汽车的悬挂系统从不平整，这影响了它的操控性能。
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3. The table was never laid flat, so we had to move it around.
桌子从未平整过，所以我们不得不把它挪来挪去。