益生菌就是作为辅助消化或增进健康的食品补充剂的有益菌。

Probiotics are beneficial bacteria sold as dietary supplements to aid in digestion or to augment health.

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幻灯片在图表展示或视觉辅助方面十分好用，可以对重点起到补充作用。但很多人使幻灯片成了演讲的中心，而非演讲者本人和传递的信息。

It can be a useful tool for showing graphs or visual AIDS to complement important points, but too many people make it the focus of their presentations, in place of themselves and their actual message.

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如果恶劣的天气来临，辅助封堵工作的船只将必须被迫撤离“，他补充说，”并且这些船只的移动非常缓慢。

If severe weather were to arrive, the ships aiding response efforts would have to be evacuated, he added, and "some of these vessels move very slowly."

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