Helium refrigerator
[电] 氦冷冻机
🧩 词语组成解析
helium
['hi:ljəm, -liəm]
n. <化>氦;
🗣️ 情景例句
He was a dull man and you had to explain things very slowly to him.
他脑筋迟钝，你必须慢慢地给他解释事情。
Through thick and thin, they have always been my precious team mates, advisers, and above all, friends.
我们同甘共苦，亲如伙伴，他们是我的军师，更是我的朋友。
See you next Friday.
下星期五见。