His affections were kept under continual restraint.他的感情一直受到压抑。With open frontiers and lax visa controls, criminals could cross into the country without restraint.由于边境开放和签证管理松懈，罪犯可以毫无限制地进入这个国家。Gandhi exemplified the virtu...
Alum will settle turbid water.明矾可以澄清浊水.Add the alum slowly to the cup of hot water.给这杯热水添加缓慢的明矾.But chemical mordents mordants such as allon alum are popular today.但是化学腐蚀剂例如明矾现在很流行....