phoneme 【正确答案】：phoneme is the basic unit in phonology; it is abstract, and of distinctive value ,for example /b/. 【题目解析】：phoneme is the basic unit in phonology; it is abstract, and of distinctivevalue ,for example /b/. (音位是音位学中的基本单位，它是抽象的、独特的 值，例如/b/)