Смысл: non-persistent 
non-persistent [͵nɒnpəʹsıstənt]
a
<Í> 1. нестойкий (о газе и т. п. )
non-persistent agent - воен.
2.спец.
<Í> 1. нестойкий (
2.
Persis Идиома
persist in
She persisted in wearing that oldfashioned hat．她坚持要戴那顶旧式的帽子。
He persisted in carrying on his work in spite of great fatigue．他虽然疲倦极了，可是仍然坚持工作。
An Persis idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with Persis, allowing users to choose the best word for their specific context.
Словарь похожих слов, Разные формулировки, Синонимы, Идиомы для Идиома Persis
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