Swimming makes me feel comfortable, relax, excited, powerful and safe.

游泳能让我感到舒服，放松，兴奋，强大，安全。

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For some of these diseases, we have powerful and safe medicines for use in mass prevention campaigns.

就上述疾病中的某些而言，我们已具备强效和安全的药物，可用于开展大规模预防运动。

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Comac produces excellent quality equipment, powerful and safe scrubber dryers, sweepers, commercial and industrial vacuum cleaners and main cable and battery operated single disc machines.

COMAC以生产高质量的清洁设备著称，包括强力且安全的自动洗地机，扫地机，商业及工业吸尘器和电源及电瓶驱动的单擦机。

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Done in correct doses and controlled environments, they can be safe and powerful.

FORBES: Orchestrating Failure

This shift in attitude, Messrs Rodrik and Subramanian claim, sent a powerful signal to India's cowed industrialists: India was now safe for capitalists to make money.

ECONOMIST: Economics focus

Having said that, I will only refer you to the comments I just made about how serious the prospect of default is for this country, for the United States of America, the most powerful and important economy on the globe, and a place that investors around the world look to as a safe harbor because we pay our bills.

WHITEHOUSE: Press Briefing