Pentoxide nitrogen
[医] 硝酸酐, 五氧化二氮
🧩 词语组成解析
n. [化]五氧化物
🗣️ 情景例句
Quality is more important that quantity.
质量比数量更重要。
You haven't been around much lately,have you?
你近来不大出来走动了，是吧？
Sophie, this is Hans.He is German.
索菲娅，这位是汉斯。他是德国人。