Digraph
01
二合字母, 字母对
a pair of characters used to represent a single sound, such as "sh" or "th", in phonetics or linguistics
例子
Children learning to read often practice recognizing common digraphs like " ch " and " ph. "
学习阅读的孩子们经常练习识别常见的二合字母，如“ch”和“ph”。
