dictionary storage and retrieval

例句：

1. 1. I need to lookup the meaning of this word in mydictionary.
   我需要在我的词典里查一下这个词的意思。
2. 2. The dictionary is a great resourcefor learning new words.
   字典是学习新词的好资源。
3. 3. She consulted her dictionarybefore making a decision.
   在做决定之前，她查阅了她的词典。