试题题干
Words are just （）and they are associated with objects, actions, ideas, etc. by convention.
参考答案
正确答案：
试题解析
单词只是符号并且与对象、动作、思想等联系在一起。
Words are just （）and they are associated with objects, actions, ideas, etc. by convention.
单词只是符号并且与对象、动作、思想等联系在一起。