Ppmv

abbr. parts per million by volume 百万分体积比

🗣️ 情景例句

I didn't want to play charades,
我不想玩哑谜，
I'll do something about it.
我会采取措施的。
What are you doing?
你在干什么？
更多情景英语 ›

🔤 更多 P 开头的单词

parathyroidectomy
peimidine
perky ['pə:ki]
pgthisiogenesis
pio-epithelium
pomphoid
pre-production trial
price analysis
全部 P 开头单词 ›