Worldwide people speak differently from the way they write, and texting -quick, casual and only intended to be read once — is actually a way of talking with your fingers.
出自-2014年6月阅读原文
If the virus had been capable of spreading through the air, or if one infected person had unknowingly entered a large population center, Ebola might have become a worldwide epidemic.
出自-2013年6月听力原文
Mironov, is one of only a few scientists worldwide involved in bioengineering 'cultured' meat.
出自-2012年6月听力原文