long sentence
Refers specifically to a single sentence that is long, often in the context of grammar or writing advice.
He wrote a long piece of text for his report.
This text has many long sentences and is hard to read.
When writing a long sentence, pay attention to the subject-predicate relationship.
noun, noun which may take the genitive case particle 'no'
long piece of writing; long text
Covers any extended written material: passages, letters, articles, telegrams, etc. Often used with の to modify nouns.
I received a long letter from him.
I have to submit a long report.
I practiced reading long passages for the exam.
The email ended up becoming very long.
He explained the situation in a long piece of writing.
短文 is a short sentence or brief piece of writing, the direct opposite of 長文, which is long.
Compound of 長 (long) and 文 (sentence/writing).