Helping your child maintain excellent oral hygiene is an important step in preventing bacterial endocarditis.

帮助你孩子保持良好的口腔卫生对于防治细菌性心内膜炎是很重要的。

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Other studies have shown that allicin has beneficial effects in preventing blood clots, cancer, and bacterial infection.

其它的研究已经表明蒜素有防止血栓、癌症和细菌感染的效果。

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There is no guaranteed way of preventing viral and bacterial infections.

是没有保证的方式，防止病毒和细菌感染。

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In a bacterial strain, antibiotics bind to the ribosomes, preventing them from making the proteins the bacteria need to survive.

CNN: Chemistry Nobel honors research on life-giving ribosome