created sense approved 保温/保溫 · bǎowēn · insulation
保温 / 保溫
bǎowēn
insulation
the property, process, or act of heat preservation
这种新型建筑材料的保温性能非常出色。
adjective
created sense approved 保温/保溫 · bǎowēn · keep warm
保温 / 保溫
bǎowēn
keep warm
to maintain the temperature of something to prevent it from cooling down
这瓶热水可以保温一整天。
verb