形容词
中文翻译：次要的
同义词：
['subordinate', 'secondary', 'tertiary']
例句：
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1.The team needs a second-string player to replace the injured starter.
这个团队需要一名替补球员来替换受伤的首发。
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2.The secondary school is located in the outskirts of the city.
这所中学位于城市的郊区。
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3. The secondary school's library has a vast collection of books.
这所中学的图书馆藏书丰富。