ablaut
n[U]
(linguistics 语言) systematic way in which vowels change in related forms of a word, esp in Indo-European languages (eg drive, drove, driven) 元音交替(尤指在印欧语系中, 一个词的相关形式中有规律的变化, 如 drive, drove, driven).
🗣️ 情景例句
May I speak with Mr. Chen, please?
可以请陈先生听电话吗?
As you all know, doing business is not an easy thing to do.