"between sentences" is a correct phrase and can be used in written English.
Example: The transition between sentences is important in creating flow and coherence in writing.
This often means slowing down and breathing between sentences.
It all pours out, barely a breath between sentences.
The original printing of the U.S. Declaration of Independence used extra long spaces between sentences.
The pauses between sentences, the silences separating short, packed paragraphs, were themselves a feature.
And during pauses between sentences, words or phonemes, you're not transmitting data at all.
In contrast, our model induces relations between sentences while optimizing a task-specific objective.
The amendments reduced the disparity between sentences for crack and powder cocaine.
She gazes down to think between sentences and scratches the back of her head.
The interactive activity will help students use punctuation correctly, particularly at boundaries between sentences and clauses.
Grandma's letters have short, flush-left paragraphs and extra spaces between sentences.
Between sentences he would work his stubbly chin as if chewing on unpalatable facts.
