noun🔗Share保温瓶，热水瓶 A bottle, flask or similar vessel having a vacuum between its inner and outer silvered walls; designed to maintain the temperature of its contents"I packed hot soup in a thermos so it would stay warm for my lunch at school. "我用保温瓶装了热汤，这样中午在学校吃午饭的时候还能是热的。utilityitemthingChat with AIVocabulary GamePractice Reading
