Complete the following statements with proper words or expressions according to the course book.When we talk about a word in visual terms, a word can be defined as a ( ) group of letters printed or written horizontally across a piece of paper.
【正确答案】：MEANINGFUL
【题目解析】：谈论一个词时，我们往往从词的视觉角度来定义。从这个意义上讲，一个词可以被定义为水平印或写在纸面上字母的有意义的集合体。a meaningful group of letters：一组有意义的字母。
