Africa's rebel movements rely on a vast, international network of supporters, who facilitate arms trafficking, money transfers and day-to-day operational support (file photo) Trafficking in small arms and light weapons is on the rise in parts of Cent

发表于:2019-01-13 / 阅读(46) / 评论(0) 分类 VOA标准英语2010年(七)月

Once stimulated, these muscles go to work and cause us to forcefully expel air from the mouth and nose. Or, in other words, we sneeze. Because the nose lining tends to swell when we lie down, making it even more sensitive to sneeze-causing particles,

发表于:2019-02-23 / 阅读(315) / 评论(0) 分类 英语时差8,16