flash-freeze
US /ˈflæʃ friːz/
UK /ˈflæʃ friːz/

1.
congelar rápidamente, ultracongelar
freeze (food) very rapidly so that ice crystals do not form and damage the cell structure.
:
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The factory uses advanced technology to flash-freeze vegetables, preserving their freshness.
La fábrica utiliza tecnología avanzada para congelar rápidamente verduras, preservando su frescura.
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You can flash-freeze berries to enjoy them out of season.
Puedes congelar rápidamente las bayas para disfrutarlas fuera de temporada.