| 动 preserve heat; keep warm: |
| | 积雪可以保温保墒。 Snow can preserve soil moisture and prevent freezing. |
| | 这个暖瓶不保温。 This thermos flask doesn't preserve heat well. |
| | 保温杯 thermos mug |
| | 保温层 【农】 (thermal) insulating layer |
| | 保温车 refrigerator wagon (or car) |
| | 保温瓶 vacuum flask (or bottle); thermos |
| | 保温箱 insulation can; incubator (for a premature baby, etc. ) |
| | 保温材料 thermal insulation material |
