Ultravacuum vessel
[化] 超真空容器
🧩 词语组成解析
超真空
🗣️ 情景例句
I can't express myself very well in English.
我用英语表达不好。
Goodbye, it was nice meeting you.
再见，很荣幸认识你。
and won't suffer sleepless nights over share prices.
不会因股票价格的浮动而夜不能眠。