冷冻

freezing
～包装frozen pack/～法freezing method /～机refrigerator;freezer/～剂refrigerant;cryogen;coolant/～精液frozen semen/～治疗cryotherapy; cold therapy/～麻醉cryoanesthesia/～室chilling chamber;freezer compartment/～食品frozen food /～手术cryosurgery/～压缩机refrigerant compressor