Showering may be bad for your health, say US scientists, who have shown that dirty shower heads can deliver a face full of harmful bacteria.

有没有想过，洗澡可能对你的健康有害，美国科学家如是说，他们表示脏的喷头可能会让你的脸满是有害细菌。

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Studies have shown that putting a cheerful smile on your face can trigger a part of your brain that actually makes you feel happier and more optimistic about the present and future.

研究表明挂一个大大的微笑在脸上能够刺激你大脑的一个部分，使你对现在和未来感到更开心和更乐观。

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Mr. Ozaydinli speculated that the lack of an in-your-face Coke message is "one of the key reasons" consumers have shown interest in the song.

奥萨迪利先生推测，歌中没有直接提到可乐是它能够引起消费者兴趣的“一个关键因素”。

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In the face of unprovoked attacks on your citizens, you and the South Korean people have shown extraordinary strength, restraint and resolve.

WHITEHOUSE: President Obama and President Lee Press Availability