Complete the following statements with proper words or expressio

Complete the following statements with proper words or expressions according to the course book.As defined in terms of spoken language, a word is viewed as a sound or ( ) of sounds which are made voluntarily with human vocal equipment.
【正确答案】：COMBINATION
【题目解析】：本题考查词的含义。如果我们从词的读音看，词可以看作是由人体发音器官发出的不同的声音的组合。combination：结合，组合。