动词短语
中文翻译：直接传播
同义词：
['spread directly', 'spread outwardly', 'propagate']
例句：
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1. The disease is spreading directlyfrom the farm to the city.
这种疾病正从农场直接传播到城市。
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2. The virusis spreading outwardly through the air.
病毒正在通过空气向外扩散。
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3. The seedsare being propagated by bees.
种子正在被蜜蜂传播。