形容词
中文翻译：废弃的
同义词：
['abandoned', 'discontinued', 'discarded', 'disused']
例句：
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1. The old building has been defunct for many years.
这座旧建筑已经废弃多年了。
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2. The company's operations have been discontinued due to financial difficulties.
由于财务困难，该公司的业务已被终止。
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3. The old road was discarded and replaced by a new one.
那条老路被丢弃，并被一条新路取代。