形容词
中文翻译：平坦的
同义词：
['straight', 'level', 'flat-bottomed']
例句：
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1. The floor is very flat and easy to clean.
地板非常平坦，容易清洁。
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2. The table is flat enough for both of us to sit on it.
桌子足够平坦，我们两个都可以坐上去。
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3. The car's wheels are flat, which makes it easier to drive.
汽车的轮子是平的，这使得驾驶更容易。