What does 储备 (chǔbèi) mean in English?

Card 400HSK Level 4400/3571
CARD400
PROGRESS11%
储备
儲備
chǔbèi
store(Verb)
Click to reveal
← Previous↑ DeckNext →

Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d