Helium refrigerator
[电] 氦冷冻机
🧩 词语组成解析
helium
['hi:ljəm, -liəm]
n. <化>氦;
🗣️ 情景例句
What is your nationality?
你的国籍是什么？
He established a new business.
他开创了新事业。
He married my aunt in 1971, so Clare would have been five years old.
他1968年与我伯母结婚，那么克莱尔应该已经5岁了。"