索马里，人口790万，人均收入大约每周1.60英镑。Somalia, pop. 7.9 million, income per head about £1.60 a week.总统即将结束对索马里的访问。The President is about to wind up his visit to Somalia.她为身在索马里的家人担心。She's afraid for her family in Somalia....
Features of sodium chlorite bleaching for cotton knits are described.本文叙述了亚氯酸钠对纯棉针织物漂白的特点.Optimum conditions of kraft pulping and single stage hypochlorite bleaching were investigated.研究了桑枝硫酸盐法制浆适宜的工艺条件和单段、两段次氯酸盐漂白工艺条件.T...