Ppmv
abbr. parts per million by volume 百万分体积比
🗣️ 情景例句
You're right. How do you feel about it?
说对了。你觉得怎么样？
This company is growing by leaps and bounds, and the way to keep growing.
这个公司正在迅速发展，保持成长。
But we still have a problem.
不过我们还是有问题呀。