This is the 428th most frequent Lithuanian word.
projektą
The Lithuanian word "projektą" translates to "project" in English (accusative case).
In this sentence, 'projektą' is the object of the verb 'pristatė' ('presented'), denoting the thing that was presented.
Jie pristatė naują projektą apie atsinaujinančią energiją.
They presented a new project about renewable energy.
Here, 'projektą' is used in the instrumental case, indicating the matter being worked on.
Mes šiuo metu dirbame ties sudėtingu projektu.
We are currently working on a complex project.
In this usage, 'projektą' is the object of 'ruošti' ('preparing'), showing the goal of preparation.