形容词
中文翻译：平坦的
同义词：
['smooth', 'level', 'flat-bottomed']
例句：
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1. The floor is very smooth and easy to clean.
地板非常平滑，容易清洁。
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2. The boat was flat-bottomed, so it could easily navigate through the water.
这艘船是平底的，所以它可以轻松地在水上航行。
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3. The table is flat, so it can hold a lot of food.
桌子是平的，所以它可以容纳很多食物。