Uhv
abbr. ultra-high vacuum 超高真空
🗣️ 情景例句
Littering is a serious offense in some countries.
乱扔垃圾在某些国家是严重的违法。
I meet the boy whose aunt is a housemaid.
我遇到那个男孩的姑妈是家庭主妇。
But I can't find it. I think I've lost it.
但我现在找不到了。我想我弄丢了。”