Ppmv
abbr. parts per million by volume 百万分体积比
🗣️ 情景例句
We've always lived in this area.
我们一直住在这个地区。
Where can I wash my hands?
请问洗手间在哪里？
together with a note which said: 'A thief, yes, but only 50 per cent a thief!'
“一个小偷，是的，但只是一个50%的小偷！”