...an officer who advises undergraduates on money matters...为本科生们提供理财建议的高级职员One in five undergraduates cannot write grammatically.有1/5的本科生写作不合语法规则。All undergraduates reading English attend a turtorial group each week.所有攻...
刚出首都，总统无人护卫的汽车就遭到了伏击。The President's unescorted vehicle was ambushed just outside the capital.他们在一些士兵的护卫下旅行.They traveled under the protection of a number of soldiers.警察是法律和秩序的护卫者.The police are guardians of law and...