標題: A Checklist Of 65 Necessary Vowel Team Words For Easy Knowing. [打印本頁] 作者: KerstinBla 時間: 4 天前 標題: A Checklist Of 65 Necessary Vowel Team Words For Easy Knowing. Teachers must instruct the split digraph and diphthongs as subsets of digraphs. A digraph is 2 letters that make one sound.