名词
中文翻译：黑穗病
同义词：
['black-smut', 'rust']
例句：
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1. The farmer has to deal with the black-smut on his wheat crop every year.
农民每年都得处理他的小麦作物上的黑穗病。
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2. The disease spreads quickly and can be a major threat to the health of crops.
这种病传播迅速，对农作物的健康构成严重威胁。
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3. The farmers are trying to find ways to control the black-smut in their fields.
农民们正试图找到方法来控制他们田地里的黑穗病。