Ppmv
abbr. parts per million by volume 百万分体积比
🗣️ 情景例句
But, well,
但是，嗯，
Keep your eyes wide open before marriage, and half shut afterwards.
婚前张开眼，婚后半闭月。
Your desire coincides with ours.
我们双方的愿望都是一致的。