One potentially cheap and self-sustaining method of halting the spread of bracken is to introduce natural enemies of the plant.

阻止蕨菜蔓延的一种潜在的廉价和自我维持的方法是引入该植物的天敌。

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Luckily, one of the neighbors came to help him before the fire could spread.

幸运的是，一个邻居在火势蔓延之前赶来帮助他。

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Starting a Peacemakers' Club is a praiseworthy venture for a class and one that could spread to other classrooms and ideally affect the culture of the entire school.

对于一个班级来说，创建一个和平缔造者俱乐部是一个值得嘉许的尝试，这可能会扩散到其他班级，进而在理想情况下影响整个学校的文化。

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These thick paints can be spread in layers, one over another, to produce interesting effects of light and color.

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One can stop spread of disease through a community without being 100% effective in each person who gets the vaccine.

疫苗能够遏制疾病在整个社区中传播,虽然对于每个人来说它并非百分之百有效

耶鲁公开课 - 生物医学工程探索课程节选

Because it was precisely because of this one world, run by the Romans and maintained by the Romans, that allowed the spread of Christianity, to a great extent, both ideologically and thought-wise, as well as simply physically.

因为正是由罗马人统治维持的，这个统一的世界，给予基督教在大范围面积内广为传播的机会，不仅是在意识形态和智慧方面，还有物质条件方面。

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We revisited this spread one week ago when the options player took profits off the table.

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This seems like a timely innovation and one that makes the spread of one-way interviews all the more likely.

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What was actually looked at was the difference in the way that genes will and can spread from one ethno-linguistic or cultural group to another and the way that genes or DNA can spread across such boundaries.

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