store up
US /stɔːr ʌp/
UK /stɔːr ʌp/

1.
einlagern, ansammeln
to keep a lot of something so that you can use it later
:
•
Squirrels store up nuts for the winter.
Eichhörnchen lagern Nüsse für den Winter ein.
•
She stored up enough food to last for weeks.
Sie lagerte genug Essen ein, um wochenlang auszukommen.
2.
ansammeln, speichern
to build up a lot of something, especially feelings or energy, over time
:
•
He's been storing up anger for years.
Er hat jahrelang Wut angesammelt.
•
The battery can store up a lot of energy.
Die Batterie kann viel Energie speichern.