Dewar(vacuum)flask

[化] 真空瓶; 杜瓦(真空)瓶

🗣️ 情景例句

He came down with the flu, so he didn't go to work.
他感冒了,所以没去上班。
This offer must be withdrawn if we haven't received your reply within five days.
如果5天之内我方未必到贵方答复,该盘撤消。
He knew it would not prove difficult in such a small village.
他知道在这样一个小村庄里抓住小偷并不困难。
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