Ppbv
abbr. parts per billion by volume 十亿分体积比
🗣️ 情景例句
Generally speaking, we hold all disputes should be settled through friendly negatiations.
一般来说，我们主张所有争论通过友好协商解决。
Our factory would have no problem in turning out the 2000 units you asked for in your inquiry.
我们工厂完全可以生产出你方询价单中要求的2000件货品。
You'd better go to bed earlier tonight, if you can.
如果可能，你今晚最好早点儿睡觉。