- freeze-up
◇封冻期 a period of freezing weather; freeze; freeze-up
- 封冻(封河): freeze-up
- 封冻港: ice harbor
- 封冻湖: ice-covered lake
- 封冻期: freezeuperiod; icebound season; period of freezing weather; period of ice-cover; shutdown period
- 被冰封冻的: ice bound; ice-bound
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