S'emploie pour dire à quel projet on a consacré ses efforts.
Used to say which project you put your effort into.
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See how the word “j'ai travaillé sur” is used in sentences
J'ai travaillé sur l'application mobile l'an dernier. — I worked on the mobile app last year.
Pendant trois mois, j'ai travaillé sur le nouvel emballage. — For three months I worked on the new packaging.
Quelle partie as-tu construite ? J'ai travaillé sur l'écran de recherche. — Which part did you build? I worked on the search screen.
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