名词短语
中文翻译：一套
同义词：
['set', 'group', 'collection', 'assembly']
例句：
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1. We need a set of keys to open the door.
我们需要一把钥匙来开门。
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2. The teacher gave us a set of new books for our class.
老师给我们班每人发了一些新书。
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3. They have a set of tools in their workshop.
他们在车间里有一些工具。