code: public void merge(Dictionary dict){
  		for (Word word: dict.getWords().values()){
  			addWord(word, true);
  		}
  	}
docs: 将另一个字典的内容合并进来。
  <p>
  Merge the words from another dictionary into this one.
  
  @param dict	将要被合并进来的另一个字典
  <br>The other dictionary that will be merged into this one.