Dewar(vacuum)flask
[化] 真空瓶; 杜瓦(真空)瓶
🗣️ 情景例句
When are you planning to get married?
你准备什么时候结婚？
Don't know how to play the game.
不上道。
There are twenty-four boys, and twenty-two girls.
二十四个男生，二十二个女生。