to stock up
[phrase form: stock]
01
備蓄する, 買いだめする
to gather something in large amounts to keep for future use, sale, or for a particular occasion
Transitive: to stock up on supplies
例
The new parents stocked up on diapers, wipes and formula for the baby.
新しい両親は赤ちゃんのためにオムツ、おしりふき、粉ミルクを買いだめした。
