英语名词问题pronunciation是可数名词还是不可数名词?

可数不可数都可以.请看牛津词典的解释.
pronunciation
/ prəˏnʌnsɪˈeɪʃn; prəˏnʌnsɪˋeʃən/ n
(a)[U] way in which a language is spoken （一种语言的）发音（法）: She had difficulty learning English pronunciation. 她学习英语发音有困难. (b) way a person speaks (the words of) a language （一个人的）发音, 发音方式: Their English pronunciation is not good, but it is improving. 他们的英语发音不够好, 但正在改进.
[C] way in which a word is pronounced （一个字的）发音（法）, 读法: Which of these three pronunciations is the most usual? 这三种读法中, 哪一种最常用?

“发音、读法”不是具体的物体，是不可数名词。

n.
发音(法)
correct one's pronunciation
纠正某人的发音
The tongue is one of the organs for pronunciation.
舌是发音器官之一。
n.
发音方法
What is the pronunciation of this word?
这个单词的发音...