剑桥词典a mark put over a vowel in some languages , such as German , to show that the pronunciation of the vowel is changed （德語等語言中表示元音發音發生變化的）變音符 The German word "Gebäude", which means "building ", has an umlaut over the "a". 德語詞 Gebäude 意思是“建築物”，其元音 a 字母上有一個變音符。 返回 umlaut