Niannujiao's metrical requirements

The relationship between words, rhymes and sentences.

1, Niannujiao * * 10 sentence, each sentence has 7 words and 70 words.

2. Every two sentences of poetry should rhyme, that is, the first sentence and the third sentence, the second sentence and the fourth sentence, the third sentence and the fifth sentence, the fourth sentence and the sixth sentence, and the fifth sentence and the seventh sentence should rhyme.