There's a lot of air in loose snow, and this helps to keep cold out.
松散的积雪里有大量的空气，这有助于御寒。
As the weather became colder and colder, people put on more clothes to keep cold out.
随着天气变得越来越冷，人们穿上更多的衣服来抵御寒风。
I have some medication that has to stay cool. But when I put it in the mini-bar, I found it doesn't keep cold.
我有一些药要冷藏，但我把它放到小冰箱里时，发现它不制冷。
Tin can LIDS were tacked over holes in the floor to keep warm air inside and to keep cold wind and mice outside.
马口铁罐头盒盖子被固定在地板上，一是为了室内保温，二是挡住冷风和老鼠。
Extra strong sealability Triple sealing, multi-air pocket seal (from U. S. A. space refrigerant), which can keep cold air and reduce energy consumption.
源自美国太空制冷剂舱技术的三层密封、多气囊门封条，层层锁住冷气，大幅度降低能耗。
Extra strong sealability Triple sealing, multi-air pocket seal (from U. S. A. space refrigerant), which can keep cold air and reduce energy consumption.
源自美国太空制冷剂舱技术的三层密封、多气囊门封条，层层锁住冷气，大幅度降低能耗。
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