Lhv
abbr. liquid hydrogen vessel 液态氢容器; Low heat value 低热值，低发热量
🗣️ 情景例句
Is everything all right?
一切都好吗？
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
I know! It's behind the door!
我知道了，是在门后。