noun 下载 🔗分享 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 Examples : "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。 utility item thing 与AI对话词汇游戏阅读练习