Dewar flask
[医] 迪尤尔氏瓶, 真空瓶
🧩 词语组成解析
n. [亦作d-]=Dewar flask
flask
[flæsk]
n. 瓶，长颈瓶;[化]烧瓶;火药筒;[机]沙箱;
🗣️ 情景例句
And how was your day, Susan?
那你今天过得怎么样， Susan？
I'm twenty-one years old.
我21岁。
Even when it was raining heavily, he refused to carry an umbrella.
即使大雨倾盆，他也总是拒绝带伞。