Ablaut
n. 元音交替
📖 牛津释义
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
at ten o'clock tomorrow morning.
明天上午十点钟。
There's no sense in going by boat when the plane is just as cheap and much quicker.
既然乘飞机和坐船一样便宜而且还快得多，那么就没有理由去坐船。
Although we can't see these atoms, they really do exist.
虽然我们看不见原子，但它们的确存在。