She helped to introduce Americans to European fashions. = She helped to introduce European fashions to America.她使美国人初步了解了欧洲时尚。The class introduces students to computer programming.这门课程让学生们初步了解计算机编程。The book is essentially a taster for those unfamiliar with the subject.这本书基本上会让那些不熟悉该学科的人对其有个初步了解。