When I first entered university, my aunt, who is an English professor, gave me a new English dictionary. I was 1 （单语的） dictionary. 2 （双语的）dictionariesit was a dictionary intended for non-native learners, none of my classmates had one and, to be honest, I found it extremely 3 to use at first. I would look up words in the dictionary and still not fully understand the meaning. I was used to the 4 bilingualto see that it was an English English dictionary, also known as a monolingual
