fill a thermos flask 装满保温瓶
clean the thermos flask 清洗保温瓶
keep the coffee hot in a thermos flask 用保温瓶保持咖啡热度
carry a thermos flask on a hike 徒步旅行时携带保温瓶
leaking thermos flask 漏水的保温瓶
1. I always carry a thermos flask of hot water when I go hiking.
我去徒步旅行时总是带一个装满热水的保温瓶。
2. She poured some tea from the thermos flask into her cup.
她从保温瓶里倒了一些茶进杯子里。
3. The thermos flask kept the soup warm for the whole day.
这个保温瓶让汤保持温暖了一整天。
4. Don't forget to wash the thermos flask before using it again.
再次使用前别忘了清洗保温瓶。
A: Can I have some hot water? I'm feeling cold.
A：我能要些热水吗？我觉得有点冷。
B: Sure, here is the thermos flask. It's still very hot.
B：当然，这是保温瓶。里面还是很烫的。
1) 双层真空保温容器
2) 户外旅行常用的热水壶
3) 实验室中用于保持温度稳定的玻璃或金属容器
1. 保温瓶；真空保温杯
e.g.
He filled the thermos flask with boiling water.
他把保温瓶装满了开水。
noun
1. a container with a double wall and vacuum insulation to keep liquids hot or cold
Synonym: vacuum flask, thermal flask