store up
US /stɔːr ʌp/
UK /stɔːr ʌp/

1.
accumulare, immagazzinare
to keep a lot of something so that you can use it later
:
•
Squirrels store up nuts for the winter.
Gli scoiattoli accumulano noci per l'inverno.
•
She stored up enough food to last for weeks.
Ha accumulato abbastanza cibo per durare settimane.
2.
accumulare, immagazzinare
to build up a lot of something, especially feelings or energy, over time
:
•
He's been storing up anger for years.
Ha accumulato rabbia per anni.
•
The battery can store up a lot of energy.
La batteria può accumulare molta energia.