Ppbv

abbr. parts per billion by volume 十亿分体积比

🗣️ 情景例句

It's a beautiful day.
今天天气真好。
Oh, it's dazzling.
噢，我眼睛发花。
There is no one but hopes to be rich.
没有人不想发财。
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🔤 更多 P 开头的单词

panders
parent firm
perchromic acid
philistines
pivot journal
pointe-noire
postmillenarianism
price leadership
全部 P 开头单词 ›