名词
中文翻译：Unknown
同义词：
['bottom', 'lower', 'lowest']
例句：
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3.
时间、顺序等
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4.
价格等
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1.The floor is made of wood and has a wooden floorboard under it.
地板是用木头做的，下面有木制地板。
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2.He sat down on the couch and started to watch TV.
他坐在沙发上，开始看电视。
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3. The price of the product is lower than that of the competitor.
这个产品的价格比竞争对手的低。