We keep frozen food in a freezer.

我们在冰箱里保存冷冻的食品。

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Keep frozen foods frozen to maintain quality, as bacteria will begin to multiply when the food is thawed.

使冷冻食品保持结冰而维持质量，这是因为当时食品解冻时，细菌将会开始成倍增长。

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Permafrost is underground soils containing ice which keep frozen for several years, it is remains of ancient glacial climate.

多年冻土是埋藏于地表下多年不融化的含冰土层，是古代冰川气候的残留物。

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There had been fears expressed, when licences were given out allowing clinics to keep frozen eggs, that women would freeze eggs when young and save them for use at the end of their career.

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To keep things safely frozen, cooling systems have been installed in the ground.

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Private REITs keep their share prices frozen, meaning there's no possibility of appreciation.

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