Electronic dictionaries have invaded the nation's classrooms.电子词典遍及全国的课堂教室。We issued a questionnaire to find out which people were most likely to buy electronic dictionaries.我们发出了调查表,以确定哪些人有可能买电子词典。He always has his electronic dictionary on hand when he studies.他学习时总是把电子词典放在手边。