deep freeze
noun🔊/ˌdiːp ˈfriːz/
🔊/ˌdiːp ˈfriːz/
(British English) (US English Deepfreeze™)
(US English also deep freezer, freezer British and North American English)
a large piece of electrical equipment in which you can store food for a long time at a low temperature so that it stays frozen 冷冻柜；冰柜