Kundt rule

例句：

1. 1. The Kundt rule states that the length of a word should be proportional to its frequency in speech.
   昆德规则指出，一个单词的长度应该与其在口语中的出现频率成比例。
2. 2. According to the Kundt rule, words with more syllables tend to have higher stress on thefirst syllable.
   根据昆德规则，含有更多音节的单词通常在第一个音节上具有更高的重音。
3. 3. The Kundt rule is widely used in language teaching to help students improve their pronunciation skills.
   昆德规则在语言教学中被广泛使用，帮助学生提高发音技能。