形容词
中文翻译：Unknown
同义词：
['higher', 'superior', 'top', 'higher-up例句：1. The upper partof the building is where the offices arelocated.（大楼的上层是办公室所在地。）']
例句：
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1. The upper partof the building is where the offices arelocated.
大楼的上层是办公室所在地。
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2. She worea high-necked shirt to showoff her upper body.
她穿着高领衬衫来展示她的上半身。
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3. The upperclass has more resources than the lower class.
上层阶级拥有的资源比下层阶级多。