Dewar(vacuum)flask
[化] 真空瓶; 杜瓦(真空)瓶
🗣️ 情景例句
He is not cut out for teaching.
他不是当教师的料。
There's a cool breeze this evening.
今晚有凉爽的微风。
Close the door after you，please.
请随手关门。