释义 |
di·graph \ˈdīˌgraf, -aa(ə)f, -aif, -ȧf\ noun Etymology: di- + -graph 1. : a group of two successive letters whose phonetic value is a single sound (as ea in bread, ng in thing) or whose value is not the sum of a value borne by each in other occurrences (as ch in chin, where the value is \t\ + \sh\) 2. : any group of two successive letters |