they deteriorate
-se détériorent
Present they conjugation of deteriorate.

deteriorate

Deprive people of social contact and they deteriorate.
Elle prive les gens de contact social et leur état se détériore.
In addition, sealing elements are attacked by sweat and acids, and they deteriorate over time.
Les éléments d'étanchéité sont attaqués par la transpiration et les acides et perdent de leur efficacité avec le temps.
How can each country establish institutions to monitor potentially dangerous situations and head them off before they deteriorate?
Comment les différents pays pourraient-ils se doter d'organismes pour surveiller les situations qui présentent un danger potentiel et les désamorcer avant qu'elles ne se détériorent ?
They deteriorate psychologically because they are being told by society that they are not needed, and there is no place for them.
Ces gens se détériorent psychologiquement parce que la société leur dit qu’elle n’a pas besoin d’eux et qu’il n’y a pas de place pour eux.
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