Ppmv
abbr. parts per million by volume 百万分体积比
🗣️ 情景例句
Six words.
六个字。
I never would have thought of it if you hadn't mentioned it.
如果你没提及，我将不会想到它。
On entering a shop, he would ask for a new perfume called 'Scented Shadow' or for 'insoluble bath cubes'.
他走进商店后，会提出要一种名叫“香影”的新型香水或什么“不溶浴皂”。